Synonyms of futile

futile

adjective

ˈfyü-tᵊl 

1

as in unsuccessful

producing no results

the prison is so well guarded that all attempts to escape have been futile

Synonyms & Similar Words

• unsuccessful
• useless
• unavailing
• fruitless
• vain
• ineffective
• in vain
• unprofitable
• impossible
• abortive
• ineffectual
• unproductive
• insufficient
• worthless
• meaningless
• inadequate
• profitless
• of no avail
• inefficacious
• bootless
• pointless
• barren
• not worth the candle
• empty
• otiose
• no dice
• valueless
• lost
• hollow
• hopeless
• idle
• lacking
• unattainable
• counterproductive
• no-win
• wanting

Antonyms & Near Antonyms

• successful
• effective
• efficient
• profitable
• fruitful
• productive
• worthwhile
• virtuous
• deadly
• meaningful
• potent
• sufficient
• adequate
• efficacious
• effectual
• practical
• feasible
• applicable
• functional
• workable
• practicable
• usable
• realizable

2

as in silly

lacking in seriousness or maturity

the futile chatter of gossip columnists about the comings and goings of Hollywood celebrities

Synonyms & Similar Words

• silly
• goofy
• giddy
• frivolous
• foolish
• playful
• puerile
• harebrained
• scatterbrained
• ditzy
• inane
• happy
• dizzy
• yeasty
• frothy
• light-minded
• flighty
• crazy
• thoughtless
• featherbrained
• fatuous
• nonsensical
• scatty
• superficial
• shallow
• light-headed
• birdbrained
• witless
• daft
• flippant
• exuberant
• daffy
• lighthearted
• light
• giggly
• sappy
• fluttery
• fruity

Antonyms & Near Antonyms

• serious
• earnest
• sober
• grave
• thoughtful
• melancholy
• somber
• unfrivolous
• heavy
• severe
• serious-minded
• solemn
• dignified
• staid
• sedate
• no-nonsense

Synonym Chooser

How is the word futile different from other adjectives like it?

The words fruitless and vain are common synonyms of futile. While all three words mean "producing no result," futile may connote completeness of failure or unwisdom of undertaking.

resistance had proved so futile that surrender was the only choice left

How do fruitless and vain relate to one another, in the sense of futile?

Fruitless comes close to vain but often suggests long and arduous effort or severe disappointment.

fruitless efforts to obtain a lasting peace

When could vain be used to replace futile?

The words vain and futile can be used in similar contexts, but vain usually implies simple failure to achieve a desired result.

a vain attempt to get the car started

Example Sentences

Recent Examples of futile

The group spent six futile months trying to prompt various artificial intelligence chatbots using Birman’s approach. — Lyndie Chiou, Scientific American, 24 July 2026

Here, though, the entire enterprise is vile, and futile, and irredeemable, made worse by the self-delusion of the people who pursue it. — Paul A. Thompson, Pitchfork, 21 July 2026

All cooling efforts are futile if the cold air is escaping in gaps and cracks to the outdoors. — Ashlyn Needham, The Spruce, 19 July 2026

Purists don’t care for the interruption in the game’s natural flow, but resistance remains futile as long as FIFA is in charge of ⌘+F’ing its way through the rule book. — Anthony Crupi, Sportico.com, 17 July 2026

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