/ Thesaurus / S Synonyms of second power Find synonyms for: Noun1. square, second power, numberusage: the product of two equal terms; "nine is the second power of three"; "gravity is inversely proportional to the square of the distance"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: leonine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language