- to take charge of a child while the parents are temporarily away.
- to baby-sit for (a child): We've placed an ad for someone to baby-sit the youngsters in the evening.
- to take watchful responsibility for; tend: It will be necessary for someone to baby-sit the machine until it is running properly.
Origin of baby-sit
First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for baby-sitter
So then I went to the home of the person I normally have for a baby-sitter.Warren Commission (3 of 26): Hearings Vol. III (of 15)
The President's Commission on the Assassination of President Kennedy
- a person who takes care of a child or children while the parents are out
- (intr) to act or work as a baby-sitter