/ Thesaurus / L Synonyms of lightning arrester Find synonyms for: Noun1. surge suppressor, surge protector, spike suppressor, spike arrester, lightning arrester, suppressor, suppresserusage: electrical device inserted in a power line to protect equipment from sudden fluctuations in currentWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language