Breadcrumb Home > Thesaurus > P Synonyms of protoplasm Find synonyms for: Noun 1. protoplasm, living substance, substance usage: the substance of a living cell (including cytoplasm and nucleus) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of protoplasm (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: felicitous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language