noun
a drug that temporarily quickens some vital process
• Hypernyms: ↑drug
• Hyponyms:
↑amphetamine, ↑pep pill, ↑upper, ↑speed, ↑analeptic, ↑aphrodisiac, ↑butyl nitrite, ↑isobutyl nitrite, ↑kat, ↑khat, ↑qat, ↑quat, ↑cat, ↑Arabian tea, ↑African tea, ↑methylphenidate, ↑Ritalin, ↑popper
Useful english dictionary. 2012.