from
The Collaborative International Dictionary of English v.0.48
Vapid \Vap"id\ (v[a^]p"[i^]d), a. [L. 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.
[1913 Webster]
A cheap, bloodless reformation, a guiltless liberty,
appear flat and vapid to their taste. --Burke.
[1913 Webster] -- {Vap"id*ly}, adv. -- {Vap"id*ness}, n.
[1913 Webster]