Strong’s Greek
G176 — akatagnostos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἀκατάγνωστος
akatagnostos — pronounced ak-at-ag'-noce-tos
from 1 (as a negative particle) and a derivative of 2607; unblamable:--that cannot be condemned. see GREEK for 1 see GREEK for 2607
1 occurrence in the KJV.
Titus 2:8
Sound speech, that cannot be condemned; that he that is of the contrary part may be ashamed, having no evil thing to say of you.