Strong's #419: anexereunetos (pronounced an-ex-er-yoo'-nay-tos)
from 1 (as a negative particle) and a presumed derivative of 1830; not searched out, i.e. (by implication) inscrutable:--unsearchable.
Thayer's Greek Lexicon:
̓́
anexereunētos
1) that cannot be searched out
Part of Speech: adjective
Relation: from G1 (as a negative particle) and a presumed derivative of G1830
Citing in TDNT: 1:357, 58
Usage:
This word is used 1 times:
Romans 11:33: "knowledge of God! how unsearchable are his judgments, and his"