Breadcrumb Home > Thesaurus > F Synonyms of fossilize Find synonyms for: Verb 1. fossilize, fossilise, convert usage: convert to a fossil; "The little animals fossilized and are now embedded in the limestone" 2. fossilize, fossilise, senesce, age, get on, mature, maturate usage: become mentally inflexible WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of fossilize (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: occultation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language