/ Thesaurus / I Synonyms of insider trading Find synonyms for: Noun1. insider trading, tradingusage: buying or selling corporate stock by a corporate officer or other insider on the basis of information that has not been made public and is supposed to remain confidentialWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language