/ Thesaurus / J Synonyms of jack william nicklaus Find synonyms for: Noun1. Nicklaus, Jack Nicklaus, Jack William Nicklaususage: United States golfer considered by many to be the greatest golfer of all time (born in 1940)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language