English dictionary



Hint: Wildcards can be used multiple times in a query.

English noun: caffeine

1. caffeine (substance) a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects


Synonymscaffein


Broader (hypernym)alkaloid


Substance meronymcoffee, java, tea









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2026 onlineordbog.dk