antipledge adjective 1noun 1forms 3 adjective1 •Opposed to a particular pledge.Supporters of the pledge took a two-to-one lead over their opponents, although the contest was closer in Flint and Detroit, where antipledge votes reached almost 45 percent of all those cast. — 2003 noun1 •A pledge taken in explicit opposition to a more commonly taken pledge. formsantipledges · more antipledge · most antipledge