/ Thesaurus / S Synonyms of spelaeology Find synonyms for: Noun1. speleology, spelaeology, geologyusage: the scientific study of caves2. speleology, spelaeology, avocation, by-line, hobby, pursuit, sideline, spare-time activityusage: the pastime of exploring cavesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language