verb (used with or without object)
  1. (of a man) to comment on or explain something to a woman in a condescending, overconfident, and often inaccurate or oversimplified manner: He mansplained to her about female friendships.
  2. to comment on or explain something to someone in such a way: I know some women who are guilty of mansplaining.
  1. Also called man·spla·na·tion [man-spluh-ney-shuh n] /ˌmæn spləˈneɪ ʃən/. such an explanation given to someone, usually a woman.

Origin of mansplain

First recorded in 2005–10; man1 + 'splain
Related formsman·splain·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018