Strong's Concordance G552

Original Word: ἄπειρος
Transliteration: ápeiros
Phonetic Spelling: ap'-i-ros
[ἄπειρος] from G1 (as a negative particle) and G3984; inexperienced, i.e. ignorant

Usages throughout the bible

Hebrews 5:13 - For every one that useth milk is unskilful G552 in the word of righteousness: for he is a babe.