Abbott-Smith Manual Greek Lexicon
ἀν-αντί-ρητος (G368)
1 † ἀν-αντί-ρητος (T, -ρρητος ), -ον ( ῥητός , spoken ), [in Sm.: Jb 11:2 33:13 *;] not to be contradicted , undeniable : Ac 19:36 (MM, VGT , s.v.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain