Word Study
ace in the hole
THESAURUS
ace in the hole
advantage, backlog, bulge, cache, coign of vantage, drop, edge, flying start, head start, inside track, jump, nest egg, odds, reserve, reserve fund, reserve supply, reserves, reservoir, resource, running start, savings, sinking fund, something extra, something in reserve, start, stockpile, unexpended balance, upper hand, vantage, vantage ground, vantage point, whip handFor further exploring for "ace in the hole" in Webster Dictionary Online