What does "decaffeinated" mean?

simple past and past participle of decaffeinate

Decaffeinated

Common synonyms include: caffeine-free, caffeineless, de-caffeinate, decaf, decaffeinate, decaffeinating.

adj, verb

adj, verb ·5 syllables ·Rare ·Advanced level

Verb

Adjective

1
From which caffeine has been removed (e.g. decaffeinated coffee). not-comparable

"Tom only drinks decaffeinated coffee."

Etymology 1

From de- + caffeine + -ated or de- + caffeinated.

Etymology 2

From decaffeinate + -ed.