/ Thesaurus / I Synonyms of intracellular fluid Find synonyms for: Noun1. intracellular fluid, liquid body substance, bodily fluid, body fluid, humor, humourusage: liquid contained inside the cell membranes (usually containing dissolved solutes)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language