without a cause, freely, for naught, in vain

Strong’s Dictionary of Greek Words:

Number:
1432 (find all occurrences in KJV Bible)
Greek:
δωρεάν
Transliteration:
dorean
Phonic:
do-reh-an’
Meaning:
accusative case of 1431 as adverb; gratuitously (literally or figuratively)
KJV Usage:
without a cause, freely, for naught, in vain