/ Thesaurus / L Synonyms of life cycle Find synonyms for: Noun1. life cycle, organic phenomenonusage: a series of stages through which an organism passes between recurrences of a primary stage2. life cycle, growth, growing, maturation, development, ontogeny, ontogenesisusage: the course of developmental changes in an organism from fertilized zygote to maturity when another zygote can be producedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: imprudent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language