/ Thesaurus / F Synonyms of flatbottom Find synonyms for: Adjective1. flatbottom, flatbottomed, even (vs. uneven)usage: having a flat bottom; "a flatbottom kettle"; "a flatbottomed boat"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language