Definition of disprove verb from the Oxford Advanced Learner's Dictionary

 

disprove

 verb
verb
BrE BrE//ˌdɪsˈpruːv//
 
; NAmE NAmE//ˌdɪsˈpruːv//
 
Verb Forms present simple I / you / we / they disprove
BrE BrE//ˌdɪsˈpruːv//
 
; NAmE NAmE//ˌdɪsˈpruːv//
 
he / she / it disproves
BrE BrE//ˌdɪsˈpruːvz//
 
; NAmE NAmE//ˌdɪsˈpruːvz//
 
past simple disproved
BrE BrE//ˌdɪsˈpruːvd//
 
; NAmE NAmE//ˌdɪsˈpruːvd//
 
past participle disproved
BrE BrE//ˌdɪsˈpruːvd//
 
; NAmE NAmE//ˌdɪsˈpruːvd//
 
-ing form disproving
BrE BrE//ˌdɪsˈpruːvɪŋ//
 
; NAmE NAmE//ˌdɪsˈpruːvɪŋ//
 
Experiments and research
 
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disprove something to show that something is wrong or false The theory has now been disproved. opposite prove See related entries: Experiments and researchWord Familyprove verb (disprove)proof nounproven adjective (unproven) Word Origin late Middle English: from Old French desprover.Extra examples It is difficult to confirm or disprove the existence of such a group. It took over two months to disprove the allegation. One of their conclusions was soon disproved by events.
See the Oxford Advanced American Dictionary entry: disprove