/ Thesaurus / S Synonyms of second base Find synonyms for: Noun1. second base, base, bagusage: the base that must be touched second by a base runner in baseball2. second base, second, positionusage: the fielding position of the player on a baseball team who is stationed near the second of the bases in the infieldWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language