/ Thesaurus / P Synonyms of pollyannaish Find synonyms for: Adjective1. cheerful, pollyannaish, upbeat, optimistic (vs. pessimistic)usage: pleasantly (even unrealistically) optimisticWordNet 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