無

Usu. ...のあるなし

presence or absence; whether something is there or not; whether something happens or not

harmless to humans and animals

having no influence; unimportant; insignificant; harmless

Computing

to disable; to override

groundless; entirely contrary to fact

incompetent; have no merit

acquittal

don't worry about it; there is nothing to fear; there is no need for anxiety; everything is under control

Idiomatic expression

cold-blooded; unfeeling; heartless; heart of stone; inconsiderate

colorless and transparent

without omission; in full

thoughtless; reckless; rash; indiscriminate; indiscreet

excessive; unreasonable; immoderate; absurd

unconscious

tactful; adroit; shrewd; clever; smart; affable

superficially polite but actually rude; rude under a veneer of politeness; courteous on the surface but insolent at heart

trivial; not amounting to much; not enough to cause a problem; not as much as expected

unmatched (unparalleled) accuracy

Law

false charge

pure; purity

uneventfully; without incident; without a hitch; peacefully

After the past tense form of a verb

has never (done, occurred); there has never been an instance (where); there is no precedent (for)

extremely dangerous; full of peril

for no particular reason; for some reason or other; somehow or other

Pre-noun adjectival (rentaishi)

unmistakable; unquestionable; certain; evident

not worrying about one's reputation or appearance; not caring what others think