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not done

Socially unacceptable, improper, as in Bringing along two friends without asking, that's not done. [First half of 1900s]

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The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

Related Words

overdue, sluggish, delayed, belated, delinquent, bare, unadorned, undeveloped, incomplete, unfulfilled, incorrect, funny, unacceptable, unhappy, improper, bad, amiss, ill-advised, unfit, undesirable