Breadcrumb Home > Thesaurus > S Synonyms of sipunculid Find synonyms for: Noun 1. peanut worm, sipunculid, invertebrate usage: small unsegmented marine worm that when disturbed retracts its anterior portion into the body giving the appearance of a peanut WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of sipunculid (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