| Subject | English | French |
| social.sc. | addict-peddler | usager revendeur |
| social.sc. | addict-peddler | trafiquant intoxiqué |
| social.sc. | addict-pusher | usager revendeur |
| med. | cocaine addict | drogué à la cocaïne |
| law, immigr., health. | coordinated measures for preventing drug addiction and coping with drug addicts | actions coordonnées de prévention des toxicomanies et de prise en charge des toxicomanes |
| health. | crack addict | consommateur de crack |
| med. | ex-addict | ancien usager des drogues |
| med. | ex-addict | ex-drogué |
| med. | former drug addict | ancien consommateur de drogue |
| hobby, health. | gambling addict | joueur pathologique |
| hobby, health. | gambling addict | joueur compulsif |
| social.sc. | hard-core addict | toxicomane invétéré |
| social.sc. | hard-core addict | junkie |
| social.sc. | hard-core addict | junghi |
| social.sc. | hard-core addict | grand drogué |
| social.sc. | hard-core addict | grand camé |
| med. | hard-core addict | intoxiqué chronique |
| health. | heroin addict | héroïnomane |
| med. | heroin addict,heroin user | héroïnomane |
| health., commun., IT | Internet addict | maniaque du réseau Internet |
| health., commun., IT | Internet addict | toxico du cyberespace |
| health., commun., IT | Internet addict | maniaque du cyberespace |
| med. | medical addict | opiomane thérapeutique |
| med. | medical addict | opiomane médical |
| med. | motivation of drug addicts | motivations du toxicomane |
| health., commun., IT | net addict | maniaque du réseau Internet |
| health., commun., IT | net addict | maniaque du cyberespace |
| health., commun., IT | net addict | toxico du cyberespace |
| med. | opium addict | toxicomane de l'opium |
| health. | out-patient clinic for drug addicts | dispensaire pour toxicomanes |
| med. | out-patient clinic for drug addicts | dispensaire pour les toxicomanes |
| med. | recovered ex-addicts | anciens toxicomanes guéris |
| social.sc. | rehabilitation centre for drug addicts | centre de réadaptation des toxicomanes |
| social.sc., health. | rehabilitation of addicts | réhabilitation des toxicomanes |
| social.sc., health. | rehabilitation of addicts | réhabilitation des drogués |
| social.sc., health. | rehabilitation of drug addicts | réhabilitation des toxicomanes |
| social.sc. | rehabilitation of drug addicts | réinsertion des toxicomanes |
| social.sc., health. | rehabilitation of drug addicts | réhabilitation des drogués |
| med. | rehabilitation of drug addicts | réadaptationsocialedes toxicomanes |
| health. | rehabilitation of the addict | redressement du toxicomane |
| social.sc. | social rehabilitation of drug addicts | réintégration sociale des toxicomanes |
| social.sc., health. | social re-integration of drug addicts | réinsertion sociale des toxicomanes |