forget
vb , -gets, -getting, -got, -gotten
(archaic or dialect) , -got
1 when tr, may take a clause as object or an infinitive to fail to recall (someone or something once known); be unable to remember
2 tr; may take a clause as object or an infinitive to neglect, usually as the result of an unintentional error
3 tr to leave behind by mistake
4 tr to disregard intentionally
5 when tr, may take a clause as object to fail to mention
a forget oneself. a. to act in an improper manner
7 ♦
forget it! an exclamation of annoyed or forgiving dismissal of a matter or topic
(Old English forgietan; related to Old Frisian forgeta, Old Saxon fargetan, Old High German firgezzan)
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forgettable adj
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forgetter n