Webster's Revised Unabridged Dictionary · 1913

Vapid

Vapid (vap"id) , adjective

[Latin vapidus having lost its life and spirit, vapid; akin to vappa vapid wine, vapor vapor. See Vapor.]

Having lost its life and spirit; dead; spiritless; insipid; flat; dull; unanimated; as, vapid beer; a vapid speech; a vapid state of the blood.
A cheap, bloodless reformation, a guiltless liberty, appear flat and vapid to their taste. — Burke