Etymology
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babysit (v.)

also baby-sit, "watch and tend to a child while its parents are away," 1947, from baby (n.) + sit (v.); the figurative use (often contemptuous) is by 1968. Babysitting (n.) is attested from 1946.

updated on October 02, 2022

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Definitions of babysit from WordNet

babysit (v.)
take watchful responsibility for;
Synonyms: baby-sit
babysit (v.)
work or act as a baby-sitter; "I cannot baby-sit tonight; I have too much homework to do";
Synonyms: baby-sit / sit
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.