絕非

绝非
juéfēi
absolutely not

CEDICT

to be absolutely not; to be definitely not

Wiktionary

一定不是、肯定不會。

重編國語辭典

Entry Composition

1 絕 jué
  1. to cut short
  2. extinct
  3. to disappear
  4. to vanish
  5. absolutely
  6. by no means
2 非 fēi
  1. to not be; not
  2. wrong; incorrect
  3. non-; un-; in-; de-
  4. to reproach; to blame
  5. (coll.) to insist on; simply must