I contradict

Definitions

To assert the opposite of a statement made by someone else.

To be in conflict with or inconsistent with a fact, action, or principle.

Examples

I contradict my own previous statements when I am feeling uncertain about the facts.

I contradict the popular opinion because I believe the evidence points in a different direction.

I contradict myself whenever I try to explain the complex rules of this game.

Synonyms

I oppose I gainsay I dispute I challenge I counter I dissent I refute

Antonyms

I agree I concur I assent I confirm I affirm I support I endorse