/ Thesaurus / S Synonyms of seborrheic keratosis Find synonyms for: Noun1. seborrheic keratosis, keratosisusage: a skin condition characterized by circumscribed wartlike lesions that can be itchy and covered with a greasy crustWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: torrid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language