Breadcrumb Home > Thesaurus > H Synonyms of helleri Find synonyms for: Noun1. swordtail, helleri, topminnow, Xyphophorus helleri, cyprinodontusage: freshwater fish of Central America having a long swordlike tail; popular aquarium fishWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of helleri (Dictionary) ✖ Related Content Daily Word Quiz: sophism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language