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
uneven; irregular; non-uniform; unsorted; odd; miscellaneous
immovable; motionless; firm; Acala (Wisdom King); Fudō; fierce Buddhist deity
disadvantageous; harmful; unprofitable
insufficiency; deficiency; shortage; dissatisfaction; discontent; complaint
unreliable; uncertain; indefinite; unclear
absence; nonattendance; nonappearance
barren; sterile; infertile; unproductive (e.g. discussion); fruitless
imbalance; disproportion; disparity; mismatch; asymmetry
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
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
bad reputation; disgrace; unpopularity
failure; poor result; disfavour; disfavor; unpopularity
past forty; following right course
indiscretion; bad idea; thoughtlessness; indiscreetness
unfairness; injustice; partiality
clumsiness; awkwardness; ineptitude
poor crop; bad harvest; crop failure; low quality (e.g. of literary works)
irregular; unseasonable; changeable; unsettled; abnormal
bad form or manners; indecency; impropriety
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
of uncertain meaning; ambiguous; cryptic; nonsensical; incomprehensible; perplexing
ugly (of a person); plain; unattractive; (arch.) lacking ability; (arch.) incompetent
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
(examination) failure; rejection; disqualification
truancy; school non-attendance
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)
non-conforming process; noncompliant; incompatible
bad job; poor workmanship; bungle
undefeated; unbeatable; invincible
weak point; unskillfulness
opaque; obscure; opacity; obscurity; unclear; unpredictable
inferior goods; defective product; defective goods
uneven; irregular; non-uniform; unsorted; odd; miscellaneous
discord; dissonance; cacophony; discord (in a relationship); disagreement; disharmony
lack of virtue; immorality; vice; depravity; unworthiness
indeterminate form; undefined; indefinite; unstructured
abstention; nonintervention; noninterference
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
(treasuring something by) never taking (it) off the premises
immorality; iniquity; impropriety
idleness; lack of application; lazy study habits
unkindness; unfriendliness
discrepancy; discord; disagreement; mismatch; dissonance
inadequacy; inappropriateness; unfitness; impropriety
displeasure; ill humour; ill humor; pique
disused; unused; useless; wasteful; of no use
incomplete combustion; imperfect combustion; being off one's game; not doing one's best; being unable to use all of one's strength
deformity; distortion; disability; word written at the end of a letter
suspension; interruption; stoppage; tie-up; cessation
rejection (of an application)
nonprosecution; nonindictment
uncertainty; inaccuracy; incorrectness
impiety; unbelief; infidelity
not permitting; not authorizing
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
rare; extraordinary; unparalleled; unparallelled
disapproval; disagreement
inconsistency; mismatch; nonconformity; unconformity
inaccurate; indistinct; imprecise; unclear; indecisive
dishonouring (a bill); dishonoring; bouncing (a cheque, check); non-payment
thoughtless; indiscreet; lacking in common sense; rashness; betraying one's lack of judgment (judgement); absurd
insubordination; disobedience
emergency; unexpectedness
disgraceful; inauspicious; ill-omened; ominous; scandalous
lack of uniformity; unevenness; imbalance; inequality; disproportion
inconsistent; illogical; unconvincing; not thorough; indefinite; half-way
unchastity; misconduct; dissipation; fornication
unspecified; random; indefinite
noninvolvement; nonintervention; neutrality
destabilization; destabilisation
non-confidence; lack of confidence
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
lack of uniformity; unevenness; inequality; heterogeneous; nonuniform
unsuccessful candidate; rejected person
pending; unsettled; undecided
discontented element; discontented (grumbling) member
lack of talent; incompetency
indisposition; emperor's illness; unhappiness
heartlessness; inhumanity
(Goedel's) incompleteness theorem
unwise plan; bad policy; inexpediency
irregularity; unevenness; asymmetry; lack of uniformity
less-than sign or greater-than sign (< or >); inequality sign
non-support; disapproval (e.g. in an opinion poll)
forbearance; omission; nonfeasance; inaction
small attendance; poor house
improper; inappropriate; illegitimate; unacceptable; unfair
bad reputation; disgrace; unpopularity
dishonorable discharge; dishonourable discharge
aplastic anemia; aplastic anaemia
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
immunity from arrest (i.e. of Diet members or foreign diplomats); diplomatic immunity; parliamentary immunity; legislative immunity
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
sense of uncertainty; lack of clarity; indecisiveness
premenstrual dysphoric disorder; PMDD
clumsiness; unskillfulness
disapproval; dissent; veto
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)