WordReference Random House Unabridged Dictionary of American English © 2026
de•caf
(dē′kaf′),USA pronunciation [Informal.]
n.
adj.
n.
- Informal Termsdecaffeinated coffee or tea.
adj.
- Informal Termsdecaffeinated.
- by shortening
'decaf' also found in these entries (note: many are not synonyms or translations):