Word: ekousioj
Pronounce: hek-oo-see'-ose
Strongs Number: G1596
Orig: adverb from the same as 1595; voluntarily:--wilfully, willingly. G1595
Use: TDNT-*,221 Adverb
Heb Strong: H1738 H5375
1) voluntarily, willingly, of one's own accord
1a) to sin wilfully as opposed to sins committed inconsiderately, and from ignorance or from weakness