From Longman Dictionary of Contemporary Englishstimulantstim‧u‧lant /ˈstɪmjələnt/ noun [countable] 1 MDa drug or substance that makes you feel more active and full of energy artificial stimulants2 CAUSEsomething that encourages more of a particular activity SYN stimulus economic stimulantsstimulant to Increases in new construction would be a stimulant to the economy. —stimulant adjective a drug with stimulant properties
Examples from the Corpus
stimulant• My presence is intended as he puts it, merely as a stimulant.• Nicotine, the drug found in tobacco, is a stimulant.• Doctor Baker came and gave me a stimulant.• Indeed, neuropeptide Y is the most potent central stimulant of feeding known.• There wasn't a murmur of disapproval from the drug testers - all the ingredients were natural and contained no chemical stimulants.• It is not a direct stimulant, like a shot of adrenaline.• Government expenditure, concentrated now on armaments rather than railways as in the late nineteenth century, also remained a major stimulant.• Scalp stimulants can help to revitalise dormant hair follicles by increasing the blood flow to the scalp. 