失う【うしなう】
to lose, to miss (a chance, opportunity), to lose (a loved one), to be bereaved of, to concede (goals, points, etc.)
失敗【しっぱい】
failure, mistake, blunder
失礼【しつれい】
discourtesy, impoliteness, excuse me, goodbye, to leave, to be rude
失礼します【しつれいします】
excuse me, pardon me, I beg your pardon
失望【しつぼう】
disappointment, despair
失踪【しっそう】
disappearance, running away, going missing, absconding
見失う【みうしなう】
to lose sight of, to miss
失格【しっかく】
disqualification, elimination, incapacity, being unfit for one's role, being a failure
失礼しました【しつれいしました】
my apologies, I'm sorry, excuse me
失せろ【うせろ】
beat it!, get lost!, get out of my sight!
失恋【しつれん】
disappointed love, broken heart, unrequited love, being lovelorn
損失【そんしつ】
loss (of assets, profit, etc.)
失業【しつぎょう】
unemployment, losing one's job, becoming unemployed
過失【かしつ】
accident (caused by negligence), error, blunder, fault, defect
喪失【そうしつ】
loss, forfeit
紛失【ふんしつ】
loss, going missing
失敬【しっけい】
rudeness, impoliteness, disrespect, impertinence, leaving, going (on one's way), saying goodbye, taking without permission, stealing, pinching, pilfering, my apologies, I must be going now, so long
失態【しったい】
blunder, fault, error, mistake, failure, disgrace
失意【しつい】
disappointment, despair, despondency, broken heart, adversity
失墜【しっつい】
abasement, fall, forfeiture, sinking (in people's estimation)
