Antihypnotic

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Something that prevents sleep.
Adjective
  1. 1
    Tending to prevent sleep. not-comparable

Etymology

From anti- + hypnotic.

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