addict
n. countablen. someone who cannot stop doing or using something, especially something harmful like drugs. You can also use it to describe a person who is very interested in a hobby.
n. a person who is physiologically or psychologically dependent on a particular substance or activity. Often used with 'to' when specifying the dependency.
He is a coffee addict and drinks five cups a day.
The clinic provides support for any drug addict who is ready to start the recovery process.
Borrowed from Latin addictus, past participle of addīcō (“deliver; devote; surrender”), from ad- (“to, towards, at”) + dīcō (“say; declare”)
Commonly followed by the preposition 'to' when identifying the object of the addiction.
He is addict to sugarHe is addicted to sugarLearners often use the noun 'addict' where the adjective 'addicted' is required to describe a state.