decaffeinate

D2E1C3A1F4F4E1I1N1A1T1E1
UK/diːˈkæfiːneɪt/

verb

To remove the caffeine from something (especially from coffee).

Opposite
caffeinate
OriginEnglish caffeine ← Latin dē- ← Proto-Italic *dē →
Scrabble 21
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Meanings

verbdecaffeinate (third-person singular simple present decaffeinates, present participle decaffeinating, simple past and past participle decaffeinated)

present singular third person decaffeinates · participle present decaffeinating · participle past decaffeinated · past decaffeinated

  1. transitiveTo remove the caffeine from something (especially from coffee).

Synonyms & antonyms

Opposite
caffeinate
Also see
decaffeinize

Origin

  1. Proto-Indo-European*de
  2. Proto-Indo-European*déh₁
  3. Proto-Italic*dē
  4. Latindē
  5. Latindē-
  6. Englishde-
  7. Englishcaffeine
  8. Englishdecaffeinate

From de- + caffeine + -ate (verb-forming suffix).

Full word history & related roots →

Translations

Catalan descafeïnar
  • descafeïnarTranslations
French décaféiner
  • décaféinerTranslations
Portuguese descafeinar
  • descafeinarTranslations
Spanish descafeinar
  • descafeinarTranslations
Cite this entry
APA

decaffeinate. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/decaffeinate

MLA

“decaffeinate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/decaffeinate. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “decaffeinate,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/decaffeinate.

Source: decaffeinate on Wiktionary, CC BY-SA 4.0.