Dict: strongs - wilfully
Strongs:
G1596 @ ἑκουσίως hekousiōs hek-oo-see'-oce Adverb from the same as G1595; voluntarily: - wilfully willingly.
G544 @ ἀπειθέω apeitheō ap-i-theh'-o From G545; to disbelieve (wilfully and perversely): - not believe disobedient obey not unbelieving.