Babysitter/ˈbeɪbisɪtər/ Definition 1 of 2Pro Tip 1/3Age Specific Usually means taking care of young children or babies, not older kids or teenagers. She worked as a babysitter, caring for toddlers. Pro Tip 2/3Temporary Care Indicates short-term childcare, not permanent or full-time care. Can you be the babysitter for tonight only? Pro Tip 3/3Not a Relative Typically not a family member, but someone hired for the job. We'll hire a babysitter while we are away.