Dictionary
Words, grammatical forms and meanings linked to the ontology.
water over the dam en · NOUN
Pronunciation
Meanings
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(idiomatic, uncountable) An event or set of events which has already happened and cannot be changed.
I have two other philosophies. One is: Do the best you can with what you have. The other is: Don't worry about water over the dam.
1942 December 7, “One Year of War”, in Time:'Anybody could have fallen for that note. Anyway, it's all water over the dam,' he added cheerfully.
1953, Ian Fleming, “Vesper”, in Casino Royale, London: Pan Books, published 1955, page 154:
Synonyms
water under the bridge