Definition of addicted in English:

addicted

adjective

usually addicted to

1Physically and mentally dependent on a particular substance.
‘she became addicted to alcohol and diet pills’
- ‘Four percent of the Thai population is estimated to be addicted to the stimulant drug.’
- ‘The proposals would force young people addicted to heroin and cocaine to either submit to treatment or face the full force of the law.’
- ‘We estimate that some 20,000 young people are currently addicted to heroin and cocaine.’
- ‘In his third year he dropped out, his concentration was appalling and he was addicted to another drug which was much harder.’
- ‘She had become addicted to amphetamines since trying to lose weight five years ago and used small amounts of the drug every day.’
- ‘When I was 21 I went to prison for the first time and by then I was addicted to heroin.’
- ‘At the time of his arrest he was heavily addicted to heroin and funded his habit by selling at a profit to pay for his own drugs.’
- ‘Here was a pretty young woman, with a caring job, who died because she was allergic to a substance she was addicted to.’
- ‘This means your body is addicted to it and that is a lot harder to shake.’
- ‘It is not at all uncommon for babies to be born already addicted to heroin or other opiates.’
- ‘Both her parents were heroin addicts at the time and she had ended up addicted to crack cocaine.’
- ‘A burglar in adolescence, he was addicted to heroin and behind bars before reaching voting age.’
- ‘She was addicted to drugs and alcohol and she had been for many years.’
- ‘He has been addicted to heroin for several years and is on a drug rehabilitation programme.’
- ‘Being addicted to a substance usually means you're dependent on it to some degree.’
- ‘Nicola had been addicted to heroin for six years, becoming hooked when a friend offered her the drug.’
- ‘We are effectively physically addicted to such things as sugar, or carbohydrates, or fats.’
- ‘He told me that alcohol was a worse thing to be addicted to than any drug, even heroin.’
- ‘She started drinking heavily in her late teens and by the time she was in her twenties she was hopelessly addicted to alcohol.’
- ‘I know that I personally am only very slightly physically addicted to nicotine.’
dependent on, given to using, given to abusing, in the habit of using
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1. 1.1informal Enthusiastically devoted to a particular thing or activity.
  ‘he's addicted to computers’
  ‘David James was famously addicted to computer games back in his Liverpool days.’
  ‘I have learned to be spiritual and meditate a lot, and I am addicted to the computer.’
  ‘I was also addicted to soft drinks so no wonder my teeth are so shot to pieces these days.’
  ‘One can lock a child up in a mental hospital because he is addicted to the Internet.’
  ‘Technologically it points the way but what it lacks is the kind of feature that makes a user addicted to the phone.’
  ‘Ron is perhaps a war addict, but not an adrenalin junkie addicted to the rush of battlefield.’
  ‘Children addicted to computers are being sent on camping holidays designed to help them kick the habit.’
  devoted to, dedicated to, fond of, partial to, keen on, enthusiastic about, enamoured of, in love with, infatuated with, obsessed with, fixated on, fanatical about
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Origin

Mid 16th century: from the obsolete adjective addict ‘bound or devoted (to someone’), from Latin addict- ‘assigned’, from the verb addicere, from ad- ‘to’ + dicere ‘say’.