definitions

lose heart

Become discouraged, as in The rescuers worked hard for the first few hours, but then they lost heart. This term uses heart in the sense of “courage” or “spirit.” [Mid-1800s] Also see lose one's heart to.

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RELATED WORDS

brood, sulk, chafe, despond, grumble, regret, grump, lament, repine, grieve, yearn, pine, moon, idle, despair, sink, ache, languish, bleed, fret

Nearby words

losable, loschmidt's number, lose, lose face, lose ground, lose heart, lose it, lose no time, lose one's bearings, lose one's buttons, lose one's cool
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.