Amphetamine and Upper

Amphetamine noun - A central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression.

Upper is a synonym for amphetamine in hard drug topic. In some cases you can use "Upper" instead a noun "Amphetamine".

Upper noun - The higher of two berths.

Amphetamine is a synonym for upper. You can use "Amphetamine" instead a noun "Upper". popular alternative