self-contradictory
🇺🇸
/ˌself kɑːntrəˈdɪktəri/
🇬🇧
/ˌself kɒntrəˈdɪktəri/
Something that has two parts that cannot both be true at the same time.
His argument was self-contradictory, making it hard to believe him.
그의 주장은 자기 모순적이었고, 이로 인해 그를 믿기 어려웠다.