/ Thesaurus / B Synonyms of butterhead lettuce Find synonyms for: Noun1. butterhead lettuce, lettuceusage: lettuce with relatively soft leaves in a loose head; easily broken or bruisedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language