fight, labor fervently, strive

Strong’s Dictionary of Greek Words:

Greek:
ἀγωνίζομαι
Transliteration:
agonizomai
Phonic:
ag-o-nid’-zom-ahee
Meaning:
from 73; to struggle, literally (to compete for a prize), figuratively (to contend with an adversary), or genitive case (to endeavor to accomplish something)
KJV Usage:
fight, labor fervently, strive