Strong's Definition
a primitive root; to be bold or obstinate: d-fierce.
STEPBible — Tyndale Abridged Hebrew Lexicon
יָעַז (ya.az) — be fierce. 1) to be strong, be fierce (meaning uncertain) 1a) (Niphal) barbarous (participle)
UBS Dictionary of Biblical Hebrew
verb · עזז
Confident | Great | verb nif
to be arrogant, to be proud, to be insolent meaning unsure; possibly: = state in which humans are overly confident
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
[יָעַז] vb. only Niph. Pt. as adj.—Is 33:19 a barbarous (?) people, of foreign invaders. ref