Last Updated:2025/11/20
(transitive, idiomatic) To make tentative plans more definite. / (transitive) To make muscles more toned through physical exercise.
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firm up
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Source Word
firm up
Verb
idiomatic
transitive
Japanese Meaning
暫定的な計画を確定させる、具体的なものにする / 筋肉を引き締める、体を引き締める
( present singular third-person )
( participle present )
( participle past )
( past )