Breadcrumb Home > Thesaurus > H Synonyms of haymaker Find synonyms for: Noun 1. haymaker, hay conditioner, farm machine usage: a farm machine that treats hay to cause more rapid and even drying 2. haymaker, knockout punch, KO punch, Sunday punch, punch, clout, poke, lick, biff, slug usage: a hard punch that renders the opponent unable to continue boxing WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of haymaker (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: oblique Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language