USUKglobalinformalcolloquial
- The particular illicit or recreational drug that an individual prefers to use habitually.
- Any substance that a person habitually prefers for psychoactive effects.
globalmedicalmedicaltechnicalformal
- The medication regarded as the preferred or recommended treatment for a specific condition or patient type.
- The first-line pharmaceutical agent selected by clinicians for treating a particular disorder.
USUKglobalfigurativeinformal
- Any preferred habit, activity, or obsession that a person treats as a source of recurrent pleasure or dependency; a metaphorical way of naming a favored indulgence.
- A characteristic behavior or stimulus that someone repeatedly seeks because it produces gratification analogous to a drug's effect.