noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Alternative spelling of caffeine. alt-of, alternative, uncountable, usually
2. 2
   a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects wordnet

Synonyms

All synonyms

analgesic adjuvantcaffeinedietary stimulantdrug stimulantfood additivemedicinal stimulant

Antonyms

All antonyms

depressantsedative