ontkrachten angolul

disprove [disproved, disproven, disproving, disproves]▼(to refute)
verb
[UK: ˌdɪs.ˈpruːv] [US: ˌdɪ.ˈspruːv]

eviscerate [eviscerated, eviscerating, eviscerates]▼(to make ineffectual or meaningless)
verb
[UK: ɪ.ˈvɪ.sə.reɪt] [US: ə.ˈvɪ.sə.ˌret]

invalidate [invalidated, invalidating, invalidates]▼(to make invalid)
verb
[UK: ɪn.ˈvæ.lɪ.deɪt] [US: ˌɪn.ˈvæ.lə.ˌdet]