おそらく

• 読み: おそらく
• ローマ字: osoraku
• 発音: /o.so.ɾa.kɯ/

意味

Probably; most likely; in all likelihood; I suspect. Expresses a moderate level of confidence in a prediction.

An adverb expressing probability (roughly 70-80%). More formal and reserved than たぶん (tabun). Often used with だろう or と思う to soften predictions. Common in news reports, academic writing, and careful conversation. Carries a slight tone of caution.

例文

1. おそらく明日の会議は中止になるでしょう。
2. 彼はおそらくもう家に帰ったと思います。
3. おそらくこの方法が一番いいでしょう。

使い方ガイド

場面: news, academic, careful speech

トーン: cautious

起源と歴史

Derived from the verb 恐る (osoru, to fear). The adverbial form originally meant fearfully or with trepidation, which softened over time to mean cautious conjecture — probably.

文化的背景

時代: Ancient

世代: All ages

社会的背景: Universal