Breadcrumb Home > Thesaurus > F Synonyms of fibrillate Find synonyms for: Verb 1. fibrillate, twitch, jerk usage: make fine, irregular, rapid twitching movements; "His heart fibrillated and he died" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of fibrillate (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: rort Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language