Synonyms for substance abuse

Most common

drug use · drug abuse · habit · drug addiction

All synonyms

Noun

Definitions

1. n. 1

   An overindulgence in and dependence on a drug or other chemical.

Example sentences

• habit John is in the habit of staying up until midnight.

By length

5 letters

habit²

The small number after each word is its number of syllables (habit² = 2 syllables).