Strong’s Hebrew
H393 — 'akzar
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
אַכְזָר
'akzar — pronounced ak-zawr
from an unused root (apparently meaning to act harshly); violent; by implication deadly; also (in a good sense) brave:--cruel, fierce.
0 occurrences in the KJV.