All my efforts came to nothing.
The result was zero, in other words, nothing.
Prefix that negates or indicates the absence of something. Attaches to nouns to form words like 無関心 (indifference), 無意味 (meaningless), 無条件 (unconditional). Productive but mainly in established compounds.
He is indifferent to politics.
Let's stop this meaningless argument.
ignore; disregard; neglect
radio (communication) · wireless; not using wires
infinity; eternity; boundlessness · infinite; limitless; endless
unmanned; uninhabited; deserted; unattended · shorthanded; lack of help
invalid; void; ineffective; unavailable
without compensation; unpaid; gratuitous · free of charge; complimentary
innocence; not guilty
without permission; unauthorized · without notice; without prior warning
existence or nonexistence; presence or absence · consent or refusal; yes or no
invincible; unbeatable; matchless
absurd; unreasonable; ridiculous · rash; reckless · excessive; extreme; immoderate · very; extremely; excessively
forcibly; by force; against one's will
useless; futile; of no use · unnecessary; needless; not needed · having no business here; unrelated; unauthorized · forbidden; prohibited; not to be done
nonexistent; nothing at all; completely lacking
unemployed; without an occupation; jobless
incompetence; inability; inefficiency · incompetent person
silence; not speaking; muteness
unlabeled; unbranded; no mark
innumerable; countless; myriad
ignorance; lack of knowledge; stupidity
powerless; helpless; ineffective
unrelated; unconnected; having nothing to do with · without surviving relatives; without family ties · unrelated to Buddha's teachings; unable to be saved by Buddha
nameless; anonymous; unsigned · unknown; obscure; not famous · causeless; without just cause; unjustifiable
independent; non-partisan; unaffiliated
reckless; rash; ill-advised
pure; innocent; unspoiled · pure; unmixed; unadulterated · plain white kimono
unconditional; without conditions