Adjective change

Positive
caffeinated

Comparative
more caffeinated

Superlative
most caffeinated

  1. Something that is caffeinated contains caffeine.

Verb change

Plain form
caffeinate

Third-person singular
caffeinates

Past tense
caffeinated

Past participle
caffeinated

Present participle
caffeinating

  1. The past tense and past participle of caffeinate.