antihypnotic

English

Etymology

From anti- +‎ hypnotic.

Adjective

antihypnotic (not comparable)

1. (medicine) Tending to prevent sleep.

Noun

antihypnotic (plural antihypnotics)

1. Something that prevents sleep.

References

• “antihypnotic”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.