verb ·Rare ·Advanced level

Definitions

Verb

1. 1
   To imbibe or cause to imbibe too much caffeine. ambitransitive

   "Jimmy, my husband, swears I always overcaffeinate the morning of a child's party."

2. 2
   To add an excessive amount of caffeine to something. transitive, uncommon

Example

More examples

"Jimmy, my husband, swears I always overcaffeinate the morning of a child's party."

Etymology

From over- + caffeinate.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.