The meaning of the word "sin" in the new testament greek. Lexicon :: Strong's G266 - hamartia - ἁμαρτία

to be without a share in

to miss the mark

to err, be mistaken

to miss or wander from the path of uprightness and honour, to do or go wrong

to wander from the law of God, violate God's law, sin

that which is done wrong, sin, an offence, a violation of the divine law in thought or in act

collectively, the complex or aggregate of sins committed either by a single person or by many