What is "vainer"

Vain \Vain\, a. [Compar. Vainer; superl. Vainest.] [F. vain, L. vanus empty, void, vain. Cf. Vanish, Vanity, Vaunt to boast.]

1. Having no real substance, value, or importance; empty; void; worthless; unsatisfying. ``Thy vain excuse.''
   --Shak.

   Every man walketh in a vain show.
   --Ps. xxxix. 6.

   Let no man deceive you with vain words.
   --Eph. v. 6.

   Vain pomp, and glory of this world, I hate ye!
   --Shak.

   Vain visdom all, and false philosophy.
   --Milton.

2. Destitute of forge or efficacy; effecting no purpose; fruitless; ineffectual; as, vain toil; a vain attempt.

   Bring no more vain oblations.
   --Isa. i. 1

3. Vain is the force of man To crush the pillars which the pile sustain.
   --Dryden.

   3. Proud of petty things, or of trifling attainments; having a high opinion of one's own accomplishments with slight reason; conceited; puffed up; inflated.

   But wilt thou know, O vain man, that faith apart from works is barren?
   --James ii. 20 (Rev. Ver.).

   The minstrels played on every side, Vain of their art.
   --Dryden.

4. Showy; ostentatious.

   Load some vain church with old theatric state.
   --Pope.

   Syn: Empty; worthless; fruitless; ineffectual; idle; unreal; shadowy; showy; ostentatious; light; inconstant; deceitful; delusive; unimportant; trifling.

a. (en-comparative of: vain)