D defs.my
Entry 5 senses · 2 variants Webster, 1913

Vain

/(vān)/ · IPA /veɪn/
01 a. Having no real substance, value, or importance; empty; void; worthless; unsatisfying.
  1. 1.
    Having no real substance, value, or importance; empty; void; worthless; unsatisfying.
    “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 wisdom all, and false philosophy.” Milton.
  2. 2.
    Destitute of force or efficacy; effecting no purpose; fruitless; ineffectual; as, vain toil; a vain attempt.
    “Bring no more vain oblations.” — Isa. i. 13.
    Vain is the force of man To crush the pillars which the pile sustain.” Dryden.
  3. 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. 4.
    Showy; ostentatious.
    “Load some vain church with old theatric state.” Pope.
02 n. Vanity; emptiness; -- now used only in the phrase in vain.
  1. 1.
    Vanity; emptiness; -- now used only in the phrase in vain.
Phrases & compounds
For vain — See In vain.
In vain — to no purpose; without effect; ineffectually.
To take the name of God in vain — to use the name of God with levity or profaneness.