bet one's bottom dollar

English

Pronunciation

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Verb

bet one's bottom dollar (third-person singular simple present bets one's bottom dollar, present participle betting one's bottom dollar, simple past and past participle bet one's bottom dollar)

1. (idiomatic) To be absolutely sure of something; to be certain enough of something to wager everything.

   Synonyms: bet a dollar to a doughnut, bet one's boots, bet one's life, bet the farm, stake one's life

   He talks about it a lot, but I would bet my bottom dollar that he has never actually been there.

Translations

bet one's boots — see bet one's boots