upper hand

the more favorable condition or position in a competition finally gained the upper hand in the argument Synonyms better, bulge, catbird seat, drop, edge, high ground, inside track, jump, pull, stead, advantage, vantage, whip handRelated Words allowance, head start, lead, leg up, margin, odds, start; ascendancy (also ascendency), command, dominance, mastery, predominance, superiority, supremacy, transcendence, transcendency; precedence, preference, prerogative, privilege, seniority; break, foothold, opportunity; benefit, blessing, boon, felicity, godsend, manna, windfallNear Antonyms detriment, stranglehold; disparity, imbalance, inequality, unevenness; disability, failing, impairment, shortcoming; bar, catch, check, clog, crimp, embarrassment, hindrance, hitch, hurdle, impediment, interference, let, manacle, obstacle, obstruction, rub, shackle, stop, trammel; lurch, setbackAntonyms disadvantage, drawback, handicap, liability, minus, penalty, strike