n. 25B6; verb
(informal) they were stumped by the question : BAFFLE, perplex, puzzle, confuse, confound, nonplus, defeat, put at a loss; informal flummox, fox, throw, floor; N. Amer. informal discombobulate.
she stumped along the landing : STOMP, stamp, clomp, clump, lumber, thump, thud.
25A0; stump something up (Brit. informal) PAY (UP), dish out, contribute; informal fork out, shell out, lay out, cough up, chip in; N. Amer. informal ante up, pony up.