We found 2 dictionaries that define the word substance abusers:

General (2 matching dictionaries)

1. substance abusers: Collins English Dictionary
2. substance abusers: Cambridge Advanced Learner's Dictionary

(Note: See substance_abuser as well.)

Definitions from WordNet (substance abuser) ▸ noun:  a person who takes drugs ▸ Also see substance_abuser ▸ Words similar to substance abusers ▸ Usage examples for substance abusers ▸ Idioms related to substance abusers ▸ Wikipedia articles (New!) ▸ Words that often appear near substance abusers ▸ Rhymes of substance abusers ▸ Invented words related to substance abusers