Breadcrumb Home > Thesaurus > H Synonyms of haeckel Find synonyms for: Noun 1. Haeckel, Ernst Heinrich Haeckel usage: German biologist and philosopher; advocated Darwinism and formulated the theory of recapitulation; was an exponent of materialistic monism (1834-1919) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of haeckel (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: annular Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language