sudden; abrupt; unexpected; unforeseen
wonderful; marvelous; strange; strangely enough; oddly enough; for some reason
wrong; bad; not allowed; not possible; failing grade
misfortune; bad luck; ill luck; ill fortune
immorality; injustice; adultery; infidelity; (arch.) murdering one's teacher or a government official
good-for-nothing; spineless; gutless; spiritless; feckless; pluckless
slowness; inertness; inability; lack of talent; dullness
lawless; outrageous; insolent; rude; inexcusable; unpardonable
pout; displeasure; ill humor; ill humour; sullenness
I'll write again soon (closure for a letter, etc.); more anon; sincerely yours; yours truly
nonviolence; non-harming; ahimsa
injustice; impropriety; unreasonableness; undeserved; unfair; invalid
unhappiness; misfortune; ill luck
undutifulness to one's parents; lack of filial piety
unfaithfulness; infidelity; unchastity
not serious; frivolous; insincere; unsteady
bad condition; not to work out (i.e. a deal); disagreement; break-off; disorder; slump
dissatisfaction; discontent; displeasure; complaint; unhappiness
unpleasant; disagreeable; displeasing; uncomfortable; unhappy
unlawful; illegal; unreasonable; outrageous; unjust
immovable; motionless; firm; Acala (Wisdom King); Fudō; fierce Buddhist deity
uneven; irregular; non-uniform; unsorted; odd; miscellaneous
disadvantageous; harmful; unprofitable
insufficiency; deficiency; shortage; dissatisfaction; discontent; complaint
unreliable; uncertain; indefinite; unclear
absence; nonattendance; nonappearance
barren; sterile; infertile; unproductive (e.g. discussion); fruitless
contrary to one's wishes; gone awry; gone amiss; short of money; in financial difficulty
ominous; sinister; unlucky; inauspicious
discomfort; inconvenience; poverty; want; inability; disability
imbalance; disproportion; disparity; mismatch; asymmetry
bad; poor; inferior; delinquent; hoodlum; hooligan
discontent; dissatisfaction; complaint; grievance
displeasure; discomfort; unpleasantness; indisposition; ailment
inconvenience; inexpediency; unhandiness
impossible; incapable (of doing); incompetence; inability; impotence; having no solution (of an equation)
daring; fearless; intrepid; bold; tough
inconvenient; inexpedient; unfavourable; wrong; improper; objectionable
injustice; unfairness; wrongdoing; iniquity; impropriety; irregularity
perfidiousness; faithlessness; inconstancy; insincerity; falsehood
unnatural; artificial; affected; strained
unclear; obscure; unknown; unidentified; ignorance; lack of wisdom
not asking (about); letting go unquestioned; disregarding; ignoring; overlooking
dissatisfaction; discontent; disapproval; objection; complaint; protest
inexperienced; unfamiliar (with); unversed; lacking experience
unfit; unsuitable; unmarketable
vague; ambiguous; noncommittal; off-point
dimness; obscurity; indistinctness; unclear; unintelligible
constant; persistent; indecisiveness; usual; normal
unhappiness; sorrow; misfortune; death (usu. of a relative); bereavement
wholeheartedly; with heart and soul; intently; with undivided attention; with intense concentration; single-mindedly
failure; poor result; disfavour; disfavor; unpopularity
past forty; following right course
indiscretion; bad idea; thoughtlessness; indiscreetness
clumsiness; awkwardness; ineptitude
poor crop; bad harvest; crop failure; low quality (e.g. of literary works)
bad reputation; disgrace; unpopularity
irregular; unseasonable; changeable; unsettled; abnormal
bad form or manners; indecency; impropriety
unfairness; injustice; partiality
disrespect; irreverence; impiety; blasphemy; profanity
immortality; eternal life; undeath; undead
discord; (on) bad terms (with)
neglect of health; intemperance
unwritten; illiterate; uneducated; poor writing
indiscrete; imprudent; unscrupulous
unbecoming; improper; unsuitable; ill-matched; unworthy of
dissent; disagreement; disapproval; objection; refusal
misconduct; misbehaviour; impropriety; profligacy
absence; disregard; indifference
reluctant; unwilling; involuntary; unintentional; unintended; unlooked-for
neglect of one's health; unhealthy living; intemperance
improper; inappropriate; unjust; unfair; unreasonable
uneasiness; uncertainty; anxiety; apprehension; restlessness; insecurity
imperfect; incomplete; faulty; defective
insufficient; inadequate; imperfect
carelessness; inattention; thoughtlessness
omission; failure; incompleteness; irregularity; mismanagement; misconduct
economic slump; hard times; poor (business); dull; gloomy; cheerless
unsuited; inappropriate; improper; undeserved
determination; conviction
ignorance; inexperience; unfamiliarity
dissatisfaction; discontent; displeasure
dissent; disagreement; disapproval; objection; refusal
nightless gay quarters; nightless city
ugly (of a person); plain; unattractive; (arch.) lacking ability; (arch.) incompetent
of uncertain meaning; ambiguous; cryptic; nonsensical; incomprehensible; perplexing
dishonesty; untruthfulness
dull; slow; sluggish; inactive; inanimate; quiet
ahimsa; abstinence from taking life; principle of non-violence in Jainism, Buddhism, Hinduism, etc.
vagrant; transient lifestyle
Very sincerely yours; (arch.) different
discordance; discrepancy (e.g. statistical); conflict; incongruity; inconsistency; mismatch
misconduct; profligacy; licentiousness
unprepared; careless; imprudent; indiscreet
irregularity; unsteadiness; disorderly
dishonor; dishonour; disgrace; shame
flaw; defect; problem; inconvenient
poor health; ill health; unhealthy
morbid; unhealthful; insalubrious
dishonesty; injustice; dishonor; dishonour; ingratitude
sleepless vigil; night watch; vigilance
sexual frigidity; insensitivity; indifference
unkindness; inhumanity; heartlessness
failure; abortive (attempt, action)
distaste; unsavoriness; unsavouriness
indifference; lack of enthusiasm; inattentiveness
evil; sin; vice; mischief
poor result; bad record; failure
police questioning (of a suspicious person)
misconduct; misbehaviour; impropriety; profligacy
insincerity; unfaithfulness
disadvantage; handicap; unfavorable position
instability; insecurity; crankiness
poor; pitiful; piteous; pitiable
absurd; irrational; unreasonable; absurdity (philosophy)
unshapely; ill-formed; misshapen; awkward; clumsy
disadvantage; handicap; drawback; inadvisability; inexpediency; loss
impure; adulterated; foul; mixed; dishonest
distrust; mistrust; insincerity; impiety; faithlessness
truancy; school non-attendance
(examination) failure; rejection; disqualification
not serious; frivolous; insincere; unsteady
insincerity; dishonesty; untruthfulness; bad faith
eternal; everlasting; unchangeable; invariant
irrational; illogical; unreasonable; absurd; inconsistent
friction; discord; trouble; dissension; disagreement
unsuitable; inappropriate; improper
abstention; nonparticipation
incorrect; wrong; incorrect interpretation (answer, solution)
bad job; poor workmanship; bungle
undefeated; unbeatable; invincible
inferior goods; defective product; defective goods
weak point; unskillfulness
opaque; obscure; opacity; obscurity; unclear; unpredictable
uneven; irregular; non-uniform; unsorted; odd; miscellaneous
lack of virtue; immorality; vice; depravity; unworthiness
discord; dissonance; cacophony; discord (in a relationship); disagreement; disharmony
indeterminate form; undefined; indefinite; unstructured
abstention; nonintervention; noninterference
non-conforming process; noncompliant; incompatible
uncertainty; insecurity; inconstancy; indefinite; undecided
uncertain; unreliable; inauthentic; insecure
irregular; indeterminate; tramp (steamer)
blur; blurred; indistinct
undutifulness to one's parents; lack of filial piety; (arch.) (the crime of) cursing one's parents; (arch.) disowning one's child
unsanitary condition; lack of hygienic care; inattention to hygiene; unhygienic conditions
disqualification; unfitness; noncompliance
disqualification; unfitness; noncompliance
partial; incomplete; imperfect
immorality; iniquity; impropriety
(treasuring something by) never taking (it) off the premises
idleness; lack of application; lazy study habits
discrepancy; discord; disagreement; mismatch; dissonance
unkindness; unfriendliness
disused; unused; useless; wasteful; of no use
displeasure; ill humour; ill humor; pique
inadequacy; inappropriateness; unfitness; impropriety
deformity; distortion; disability; word written at the end of a letter
incomplete combustion; imperfect combustion; being off one's game; not doing one's best; being unable to use all of one's strength
suspension; interruption; stoppage; tie-up; cessation
rejection (of an application)
nonprosecution; nonindictment
impiety; unbelief; infidelity
uncertainty; inaccuracy; incorrectness
disharmony; discord; dissonance; incongruity
imbalance; lack of balance; lopsidedness; disproportion; inequality; disparity
war renunciation; anti-war; bout cancelled due to absence of one of the wrestlers
failure; rejection; rupture
being unknown; not knowing; ignorance; foolishness
not permitting; not authorizing
rare; extraordinary; unparalleled; unparallelled
disapproval; disagreement
inconsistency; mismatch; nonconformity; unconformity
dishonouring (a bill); dishonoring; bouncing (a cheque, check); non-payment
inaccurate; indistinct; imprecise; unclear; indecisive
insubordination; disobedience
thoughtless; indiscreet; lacking in common sense; rashness; betraying one's lack of judgment (judgement); absurd
emergency; unexpectedness
disgraceful; inauspicious; ill-omened; ominous; scandalous
inconsistent; illogical; unconvincing; not thorough; indefinite; half-way
unchastity; misconduct; dissipation; fornication
lack of uniformity; unevenness; imbalance; inequality; disproportion
unspecified; random; indefinite
noninvolvement; nonintervention; neutrality
non-confidence; lack of confidence
destabilization; destabilisation
difference; diversity; irregularity; disorder
point of dissatisfaction; complaint; gripe; issue
irresolution; indecision; vacillation
disagreement; disapproval; objection; dissent; non-consent
uncertainty; indeterminacy; unreliability; unauthenticity
lack of faith; unbelief; impiety; infidelity
neither arising nor ceasing
disuse; not using; non-usage
unsuccessful candidate; rejected person
pending; unsettled; undecided
lack of uniformity; unevenness; inequality; heterogeneous; nonuniform
lack of talent; incompetency
indisposition; emperor's illness; unhappiness
discontented element; discontented (grumbling) member
heartlessness; inhumanity
(Goedel's) incompleteness theorem
irregularity; unevenness; asymmetry; lack of uniformity
unwise plan; bad policy; inexpediency
forbearance; omission; nonfeasance; inaction
small attendance; poor house
less-than sign or greater-than sign (< or >); inequality sign
improper; inappropriate; illegitimate; unacceptable; unfair
bad reputation; disgrace; unpopularity
dishonorable discharge; dishonourable discharge
aplastic anemia; aplastic anaemia
non-support; disapproval (e.g. in an opinion poll)
not carrying (driver's license, passport, etc.); not having on one's person; nonpossession
impartiality; neutrality; fairness
person unfit for society; misfit
divorce; unrealized marriage (prospects); unrealised marriage
insincerity; dishonesty; untruthfulness; bad faith
nothing increases or decreases (because all things are void)
disloyalty; unfaithfulness
irregular; undisciplined; disorganized; disorganised; slipshod
disloyalty; unfaithfulness
anxiety neurosis; aporio-neurosis
non-existence; absence; lack
Very sincerely yours; (arch.) different
ne bis in idem; prohibition against double jeopardy
gloominess; gloom; questionable; unfair; underhand
faithlessness; insincerity
unreasonableness; absurdity; irrationality
lawlessness; violation of customs
Amoghasiddhi; Infallible Magic (a dhyani-Buddha)
having no fixed days off; having no regular closing days; having no regular holidays
in no hurry; nonessential (industry)
nonexpansion; localization; localisation; nonaggravation
inconvenience; hard living
unstable state; metastable state; quasistable state
scalene (triangle); triangle having three sides of different lengths; inequilateral triangle
scalene (triangle); triangle having three sides of different lengths; inequilateral triangle
premenstrual dysphoric disorder; PMDD
clumsiness; unskillfulness
disapproval; dissent; veto
immunity from arrest (i.e. of Diet members or foreign diplomats); diplomatic immunity; parliamentary immunity; legislative immunity
sense of uncertainty; lack of clarity; indecisiveness
not enrolling for compulsory schooling
dissident element (e.g. in a political party); discontented element
incomplete metamorphosis; hemimetabolism
intolerance (to food, drug, etc.)
dissent; disagreement; disapproval; objection; refusal
I'll write again soon; more anon; sincerely yours; yours truly
agreement used to prevent unauthorized or faked divorce by couples in Japan in the future
unlawful trespass; occupying a property and refusing to leave
Buddhist precept prohibiting the consumption of alcohol
nonvolatile component; nonvolatile constituent
of uneven quality; heterogenous
insulator; nonconductor; poor conductor
unqualified (incompetent) person; square peg in a round hole
inapparent infection; subclinical infection
infertility (esp. of animals)
concealment (e.g. of facts); nondisclosure
nonfarming land; untilled land
poor preparation; poor arrangements
irregular forces; guerrillas
negative reaction; unsuccessful vaccination
the principle of not resuming debate on an item in the same Diet session in which it has been voted down
principle holding that any matters left unresolved at the end of one Diet session are not to be carried over to the next
incomplete intransitive verb
infertility (esp. of plants)
unequal cleavage (embryology)
tax-exempt rice field (ritsuryo system)
statically indeterminate structure; redundant structure; statically indeterminate construction
Three Noes (former Taiwan policy of no contact, no negotiation and no compromise with China)
unreasonable; irrational; illogical
inhuman; immoral; unreasonable; barbarity (one of the eight unpardonable crimes, incl. killing three people in one family, or dismembering a corpse)