Last Updated：2025/11/20
Sentence
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The investigators worked tirelessly to ascertain the cause of the power outage.
See correct answer
The investigators worked tirelessly to ascertain the cause of the power outage.
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Related words
ascertain
IPA(Pronunciation)
Verb
obsolete
archaic
Japanese Meaning
確実に突き止める / 発見する、または明確に確定する / （古風な用法で）確信させる、または知らせる / （古風な用法で）立証する / （古風な用法で）確実にする、または実現させる
Related Words
（ present singular third-person ）
（ participle present ）
（ participle past ）
（ past ）
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