/ Thesaurus / P Synonyms of pet sitter Find synonyms for: Noun1. pet sitter, critter sitter, custodian, keeper, stewardusage: someone left in charge of pets while their owners are away from homeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language