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[bey-bee-sit] /ˈbeɪ biˌsɪt/
verb (used without object), baby-sat, baby-sitting.
to take charge of a child while the parents are temporarily away.
verb (used with object), baby-sat, baby-sitting.
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
Related forms
baby-sitter, babysitter, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for babysitter
  • One of my kids became obese due in part to a babysitter who allowed him to refuse my healthy lunches and fed him candy instead.
  • They were not called the babysitter dogs for nothing.
  • He encouraged her to hire a babysitter, even a live-in if that would be helpful.
  • There she worked as a hotel maid and as laundress and babysitter.
  • Find some tips for precautions you should take before choosing a babysitter.
  • Remind the babysitter to keep the bathroom door closed and the toilet seat and lid down when not in use.
  • Fill out the babysitter information sheet and keep it with you at all times.
  • My babysitter refused to provide me with her social security number.
  • In making decisions about who is an acceptable babysitter, consider not only age, but maturity.
  • The computer can be a valuable learning tool, but is not a good babysitter.
British Dictionary definitions for babysitter


verb -sits, -sitting, -sat
(intransitive) to act or work as a baby-sitter
Derived Forms
baby-sitting, noun, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for babysitter

also baby-sitter, 1914, from baby (n.) + agent noun from sit (v.). Short form sitter is attested from 1937.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for babysitter


  1. To attend and care for a child, or by extension, for anyone or anything: Which is why she has one of us baby-sitting twenty-four hours a day (1940s+)
  2. To be a guide and companion to someone undergoing a psychedelic drug experience

[1960s+ narcotics; back formation from baby-sitter, ''nursemaid, nanny,'' attested before 1940]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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