Breadcrumb Home > Thesaurus > P Synonyms of pneumonectomy Find synonyms for: Noun1. pneumonectomy, ablation, extirpation, cutting out, excisionusage: surgical removal of a lung (usually to treat lung cancer)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of pneumonectomy (Dictionary) ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language