abominator abo·mi·na·tor US/əˈbɑm.əˌneɪ.tɚ/ uncommon noun 1. one who hates or loathes Synonymsloather Related words Word family loatheabominate Broader terms hater WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.