rebut

UK: /rɪˈbʌt/ US: /rɪˈbʌt/ ,(ri but′)

Inflections of 'rebut' (v): (⇒ conjugate)

rebuts

v 3rd person singular

rebutting

v pres p

rebutted

v past

rebutted

v past p

WordReference Random House Learner's Dictionary of American English © 2026

re•but /rɪˈbʌt/   v. [~ + object] , -but•ted, -but•ting. 

1. to provide some evidence or an argument that opposes another argument or statement or shows that it is not correct or not to be believed.

WordReference Random House Unabridged Dictionary of American English © 2026

re•but  (ri but′), v., -but•ted, -but•ting. 
v.t. 

1. to refute by evidence or argument.
2. to oppose by contrary proof.

v.i. 

3. to provide some evidence or argument that refutes or opposes.

• Old French rebouter, equivalent. to re- re- + bouter to butt³
• Middle English reb(o)uten 1250–1300

re•but′ta•ble, adj. 
Synonyms

• 1. disprove, confute.

Collins Concise English Dictionary © HarperCollins Publishers::

rebut / rɪˈbʌt/ verb ( -buts, -butting, -butted)

1. (transitive) to refute or disprove, esp by offering a contrary contention or argument

Etymology: 13th Century: from Old French reboter, from re- + boter to thrust, butt³

reˈbuttable adjective

reˈbuttal noun