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失敗する
shippai suru
fail
試験に失敗した。
I failed the exam.
neutral
To not succeed in achieving a goal; to make a mistake or error.
プロジェクトが失敗に終わった。
The project ended in failure.
失敗しても、次に活かそう。
Even if you fail, learn from it for next time.
Commonly used in both personal and professional contexts to describe unsuccessful outcomes.
Pro Tip
Common Verb Conjugations
失敗する follows the standard verb conjugation for する-verbs: 失敗します (present polite), 失敗した (past), 失敗しない (negative present), 失敗させる (causative).
Gold Rule
Use を (wo) for the Object
Always use を to mark what failed. Example: 試験に失敗する (fail the exam), 計画が失敗する (the plan fails).
Word Origin
Composed of 失 (しつ, 'lose') and 敗 (はい, 'defeat'), meaning 'to lose' or 'to not succeed.' The verb form する (to do) is added to indicate the action of failing.
Usage Notes
失敗する is a transitive verb that always takes を (wo) to mark the object (the thing that failed). It can be used in both past and present contexts.
Word Breakdown
失
lose
root敗
defeat
rootする
to do
suffix和英辞典