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離脱する
りだつする
withdraw
彼はそのプロジェクトから離脱した。
He withdrew from the project.
formal
to withdraw from or leave a group, organization, or activity
政府は国際条約からの離脱を発表した。
The government announced its withdrawal from the international treaty.
選手はレース中に棄権した。
The athlete withdrew from the race midway.
Often used in formal contexts such as politics, sports, or business. Can imply a deliberate or strategic decision to leave.
Pro Tip
Common contexts for 離脱する
This verb is frequently used in news reports about political decisions (e.g., a country leaving an international agreement), sports (e.g., an athlete dropping out of a competition), or corporate settings (e.g., a company leaving a consortium).
Gold Rule
Don't confuse with 離れる (はなれる)
離脱する implies a more formal or deliberate withdrawal, often from a group or system. 離れる is more general and can mean 'to separate' or 'to leave' in a physical or emotional sense (e.g., 彼は故郷を離れた 'He left his hometown').
Word Origin
From the Japanese verb 離脱 (りだつ, ridatsu, 'to separate/withdraw') + する (suru, 'to do'). The verb 離脱 itself comes from the Chinese compound 離脫 (lí tuō), where 離 means 'to separate' and 脫 means 'to leave/escape'.
Usage Notes
離脱する is commonly used in formal or written contexts. In casual speech, simpler verbs like 'やめる' (to quit) or '抜ける' (to drop out) may be used instead.
Word Breakdown
離
to separate
root脱
to leave/escape
rootする
to do (verb suffix)
suffix和英辞典