Strong's Greek #261
ἀμαθεῖς

Englishman's Concordance (References)

ἀμαθεῖς amatheis — 1 Occurrence

2 Peter 3:16 - Adj-NMP
GRK:ἃ οἱ ἀμαθεῖς καὶ ἀστήρικτοι
NAS: which the untaught and unstable
KJV: which they that are unlearned and
INT: which the untaught and unestablished