名詞 stimulant:

1. any stimulating information or event; acts to arouse action
   同義詞：stimulation, stimulus, input
2. a drug that temporarily quickens some vital process
   同義詞：stimulant drug, excitant

形容詞 stimulant:

1. that stimulates
   同義詞：stimulating

1. A stimulant drug, usually methamphetamine, in its powdered form.
   興奮劑一種粉末狀的興奮劑，通常是氨基丙苯
2. Coffee and tea are mild stimulants.
   咖啡和茶都是溫和的興奮劑。
3. It is hoped that the tax cuts will act as a stimulant to further economic growth.
   希望降低稅率這一措施能刺激經濟進一步增長。