| 焼け失せる | to burn up completely |
| 色を失う | to turn pale, to lose color, to lose colour |
| 失せろ | beat it!, get out of my sight! |
| 過失犯 | crime of negligence, careless offense, careless offence |
| 過失を許す | to forgive a person for their error, to forgive someone for their mistake |
| 失対 | measure against unemployment |
失敗の虞 失敗の恐れ | risk of failure |
| 失保 | unemployment insurance |
失望するどころか 失望する所か | far from being disappointed |
| 焼失を免れる | to be saved from the fire |
| 損失を償う | to recompense for a loss |
| 度を失う | be flummoxed, to get flustered |
| 捕失 | catchers error |
| 遊失 | shortstop error |
| バッファ確保失敗 | buffer (full) error (i.e. space cannot be reserved as it is full) |
| 記憶喪失 | loss of memory, amnesia |
| 業務上過失 | (professional) negligence |
| 損失補填 | compensation for a loss |
| 紛失届 | report of the loss of (that one has lost) an article |
| 失読症 | dyslexia |
| 意識喪失 | loss of consciousness |
| 運動失調症 | motor ataxia |
| 営業損失 | operating loss |
| 過失殺人 | negligent homicide |
| 業務上過失致死 | professional negligence resulting in death |
| 市場喪失 | market loss |
| 失業労働者 | unemployed labor, unemployed labour |
| 失見当 | disorientation |
| 税引き前損失 | pretax loss |
| 投資損失 | investment loss |
| 統合失調症 | schizophrenia |
| 特別損失 | extraordinary loss |
| 累積損失 | accumulated loss |
| 意識を失う | to lose consciousness |
| 千慮一失 | mere slip by someone who is usually very careful, simple mistake by a wise person, point overlooked by a cautious person |
| 自信喪失 | loss of (self-)confidence, inferiority complex |
| 失敬千万 | extremely rude (impertinent, impolite) |
| 失地回復 | the recovery of lost territory, fence-mending |
| 失望落胆 | being disappointed and disheartened |
| 失礼千万 | extremely rude (impertinent, impolite) |
| 戦意喪失 | lose the will to fight, lose heart |
| 人気失墜 | decline in public favor, fall in popularity |
| 遅きに失する | to be too late (to be of use) |
| 気を失う | to lose consciousness, to faint, to black out |
| 道を失う | to be at a loss |
| 大失敗 | massive failure, debacle |
| 失敗率 | rate of failure |
| 失敗作 | failed creative work, flop, dud, bomb |
| 失意泰然 | keeping calm and collected at times of disappoinment, maintaining a serene state of mind in adversity |
| 資本損失 | capital loss |
| 失業給付 | unemployment benefit |
| 安物買いの銭失い | you get what you pay for, penny wise and pound foolish |