addict

Etymology

Borrowed from Latin addictus, past participle of addīcō (“deliver; devote; surrender”), from ad- (“to, towards, at”) + dīcō (“say; declare”)

noun

1. A person who is addicted, especially to a harmful drug
   He is an addict when it comes to chocolate cookies.
   a heroin addict
2. An adherent or fan (of something)

verb

1. (transitive, Ancient Rome) To deliver (someone or something) following a judicial decision.
2. (reflexive, now rare, archaic) To devote (oneself) to a given activity, occupation, thing etc.
3. (transitive, obsolete) To bind (a person or thing) to the service of something.
4. (reflexive, obsolete) To devote or pledge (oneself) to a given person, cause etc.
5. (transitive, now rare, archaic) To devote (one's mind, talent etc.) to a given activity, occupation, thing etc.
   That part of mankind that addict their minds to speculations. January 19, 1754, Samuel Johnson, The Adventurer, number 126
6. (transitive) To make (someone) become devoted to a given thing or activity; to cause to be addicted.