Definition of CAFFEINE

caffeine

Plural: caffeines

Noun

  • A bitter alkaloid stimulant found in coffee and tea.
  • a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
  • An alkaloid, C₈H₁₀N₄O₂, found naturally in tea and coffee plants, which acts as a mild stimulant on the central nervous system.

Examples

  • He needed a strong dose of caffeine to stay sharp for the extended Scrabble match.

Origin / Etymology

Borrowed from French caféine, from café (“coffee”), or German Caffein, Kaffein (cp. Coffein, Koffein), from Kaffee (“coffee”) (cp. Kaffe, Koffee, Koffe), or Italian caffè (“coffee”) + -ine.

Synonyms

caffein

Scrabble Score: 16

caffeine: valid Scrabble (US) TWL Word
caffeine: valid Scrabble Word in Merriam-Webster MW Dictionary
caffeine: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 18

caffeine: valid Words With Friends Word