adj · verb · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Australia:Recorded audio is listed in the source snapshot.
CMU ARPABET:K AE1 F IH0 N EY2 T AH0 D
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Containing caffeine naturally (e.g., coffee, tea, and cacao) or as an additive (e.g., soft drinks, sports drinks, or energy drinks).
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Overly peppy or energetic; stimulated by caffeine.
Definition source: English Wiktionary via Wiktextract
Usage: informal
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
verb
Meaning 3
simple past and past participle of caffeinate
Definition source: English Wiktionary via Wiktextract
Usage: form-of, participle, past
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
From caffeine + -ated.
Etymology tree English caffeine Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Proto-Indo-European *-tós Proto-Indo-European *-eh2tos Proto-Italic *-ātos Latin -ātuslbor. English -ate English caffeinate English -ed English caffeinated From caffeinate + -ed.
Across languages
Translations
5 source translations are retained for this English entry.