contradict (oneself)

Translations
противоречить (самому себе)
He tends to contradict himself when he is nervous.
Он склонен противоречить самому себе, когда нервничает.
Definitions
To assert the opposite of what one has previously stated or to make statements that are inconsistent with each other.
Words
contradict

verb
противоречить
oneself

pronoun
самому себе