/ Thesaurus / M Synonyms of myofibrilla Find synonyms for: Noun1. myofibril, myofibrilla, sarcostyle, fibril, filament, strandusage: one of many contractile filaments that make up a striated muscle fiberWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: knead Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language