vain

American  

[veyn] / veɪn /

adjective

vainer, vainest

1. excessively proud of or concerned about one's own appearance, qualities, achievements, etc.; conceited.

   a vain dandy.

   Synonyms:

   overweening, arrogant, proud, vainglorious, self-complacent, egotistic

   Antonyms:

   humble

2. proceeding from or showing pride in or concern about one's appearance, qualities, etc.; resulting from or displaying vanity.

   He made some vain remarks about his accomplishments.

3. ineffectual or unsuccessful; futile.

   vain hopes;

   a vain effort;

   a vain war.

   Synonyms:

   unavailing, fruitless

   Antonyms:

   useful

4. without real significance, value, or importance; baseless or worthless.

   vain pageantry;

   vain display.

   Synonyms:

   nugatory, trifling, trivial

5. Archaic. senseless or foolish.

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idioms

1. in vain,

   1. without effect or avail; to no purpose.

      lives lost in vain;

      to apologize in vain.

   2. in an improper or irreverent manner.

      to take God's name in vain.

vain British  

/ veɪn /

adjective

1. inordinately proud of one's appearance, possessions, or achievements

2. given to ostentatious display, esp of one's beauty

3. worthless

4. senseless or futile

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noun

1. to no avail; fruitlessly

2. 1. to use the name of someone, esp God, without due respect or reverence

   2. humorous to mention someone's name

vain More Idioms  

1. see in vain; take someone's name in vain.

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Related Words

See useless.

Other Word Forms

• unvain adjective
• unvainness noun
• vainly adverb
• vainness noun

Etymology

Origin of vain

First recorded in 1250–1300; Middle English, from Old French, from Latin vānus “empty, vain”

Example Sentences

At the Civilian Protection Center of Excellence, the staff tried in vain to save the program.

From Salon • Mar. 11, 2026

The last few hours were all in vain.

From Los Angeles Times • Feb. 27, 2026

"Many people asked me to ignore it, others said that my fight was in vain and that I should just 'play football'," Vinicius said in a post on X.

From BBC • Feb. 18, 2026

So far, so clear, but even given the program’s three-sentence synopsis, what unfolds around the vain King fails to deliver narrative clarity.

From The Wall Street Journal • Feb. 9, 2026

François called him and sought him in vain.

From "The Call of the Wild" by Jack London

Related Words

• frivolous
• fruitless
• petty
• trivial