optional; voluntary; arbitrary; arbitrary
stupid; foolish; idiotic; fool; idiot; blockhead
control; check; restraint; inhibition
attaching (documents, etc.); appending; affixing
deletion; elimination; erasure; striking out
faint hopes; dim prospects; little hope; unlikely (to be successful)
ball (for sport, games, etc.); kemari; type of football played by courtiers in ancient Japan
opening to the public; making available to the public; putting on display; exhibiting; showing (play, movie, etc.); holding (interview, etc.)
if one is unlucky; if one is careless; if things don't go well
use; application; employment; utilization; utilisation
popular name; common name; nickname; alias
free (of restraint, controls, etc.); free (of cost); freelance; one-size
rights to usage of one's likeness
thin (e.g. air); diluted; sparse; lacking (e.g. empathy); deficient; insufficient (e.g. zeal)
casual; doing something without taking it too seriously
intended use; intended purpose
social; societal; societary
life; existence; (one's) working life; career; life force; lifeblood
to make sure of the truth
criminal nature; criminality
to say in other words; to put another way; to express in different words; to reword; to rephrase
via; through; by doing; by means of; using
newcomer; initiate; rookie
discharge (e.g. of water from a dam); release (of young fish into a river, pond, etc.); stocking (a river, etc. with fish); (arch.) banishment; (arch.) exile
to determine (esp. a culprit or underlying cause); to pin down; to ascertain; (arch.) to stab to death
main course (of a river); mainstream; main current (e.g. of thought)
dam; weir; barrier; sluice
inner citadel; core; center; centre
composite image of a celebrity (esp. an idol's face with the body of a nude model); celebrity fake
joint; seam; joining point
to be responsible for; to bear the responsibility of
incineration; destroy by fire
to carry (something) under cover; to carry concealed
resigning to another's will; going along without resistance; doing as another wants
to become vulgar; to coarsen
petty underling; small fry
to be crowded; to be packed; to be complex
fourth day of the month; four days