Noah Webster
Addict
ADDICT', adjective Addicted. [Not much used.]
ADDICT', verb transitive [Latin addico, to devote, from ad and dico, to dedicate.]
To apply one's self habitually; to devote time and attention by customary or constant practice; sometimes in a good sense.
They have addicted themselves to the ministry of the saints. 1 Corinthians 16:15.
More usually, in a bad sense, to follow customarily, or devote, by habitually practicing that which is ill; as, a man is addicted to intemperance.
To addict one's self to a person, a sense borrowed from the Romans, who used the word for assigning debtors in service to their creditors, is found in Ben Jonson, but is not legitimate in English.