Synonyms of rebut

1 Syllable
top, break, cross, quash
2 Syllables
repels, dueled, duelled, deny, repel, defeat, dueling, discept, denied, warded, warding, confound, duelling, denying, evert, denies
3 Syllables
justified, answered, negating, repulse, debating, justifying, refuting, countercheck, confute, disproved, disprove, refute, controvert, confuting, repelled, disputed, answering, confuted, repulsed, overturn, justify, refuted, justifies, negated, disconfirm, disproving, retorted, debated, repulsing, negate
4 Syllables
negative, controverted, controverting
5 Syllables
invalidate