無理【むり】
unreasonable, unnatural, unjustifiable, impossible, forcible, forced, compulsory, excessive (work, etc.), immoderate, to work too hard, to try too hard, no way, not a chance, never, dream on, irrational
無事【ぶじ】
safety, security, peace, quiet, safely, without incident, successfully, good health, inaction, ennui
無視【むし】
disregarding, ignoring
無駄【むだ】
futility, waste, uselessness, pointlessness, idleness
無実【むじつ】
innocence, guiltlessness, false accusation, false charge, absence of the fact, insubstantiality, lacking substance, insincerity, dishonesty
無関係【むかんけい】
unrelated
無線【むせん】
radio (communication), wireless, not using wires
無用【むよう】
useless, futile, unnecessary, needless, not on business, unrelated, unauthorised, unauthorized, prohibited, banned, forbidden
無い【ない】
nonexistent, not being (there), unowned, not had, unpossessed, unique, not, impossible, won't happen, not, to not be, to have not
無料【むりょう】
free (of charge), gratuitous
無意味【むいみ】
nonsense, no meaning, meaningless
台無し【だいなし】
spoiled, spoilt, ruined, wasted (chance, etc.), messed up, destroyed, (coming to) nothing
無効【むこう】
invalid, void, ineffective, unavailable
無礼【ぶれい】
rudeness, impoliteness, discourtesy, insolence
無罪【むざい】
innocence, being not guilty
無力【むりょく】
powerlessness, helplessness, incompetent
無理やり【むりやり】
forcibly, by force, against one's will
無限【むげん】
infinity, infinitude, eternity, infinite, limitless
無敵【むてき】
invincible, unrivaled, unrivalled, matchless, unbeatable, undefeatable
無事に【ぶじに】
safely, without incident, without mishap, successfully, in peace, peacefully, quietly