The term 'defeat decisively' can be described by a variety of words, such as 'THUMP' (5 letters), 'WALLOP' (6 letters), 'ROUT' (4 letters), 'DRUB' (4 letters), 'WHOP' (4 letters), 'STOMP' (5 letters), 'SHELLAC' (7 letters), 'THRASH' (6 letters), 'TROMP' (5 letters), 'WHUP' (4 letters), 'CREAM' (5 letters), 'WHIP' (4 letters), 'CLOBBER' (7 letters), 'BURY' (4 letters), 'TAN' (3 letters), 'WHOMP' (5 letters), 'SMOKE' (5 letters), 'TROUNCE' (7 letters), 'snowunder' (9 letters), 'mopthefloorwith' (15 letters), and 'pinonesearsback' (15 letters). All of these words are synonyms for the phrase 'defeat decisively, ' and they all imply a strong, decisive victory.