sad sack

noun

Definition of sad sack

US, informal

  1. :  a blundering, inept person < … a sad sack so unlucky in love that when his girlfriend splits, his family sides with her. — Rand Richards Cooper>

sad–sack

adjective

1943

First Known Use of sad sack

1943


SAD SACK Defined for English Language Learners

sad sack

noun

Definition of sad sack for English Language Learners

  • : a person who is not successful or able to do things well : an inept person who causes feelings of pity or disgust in other people

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