lack of effectiveness or success lack of purpose or meaning something futile 
WordReference Random House Unabridged Dictionary of American English © 2025
fu•til•i•ty 
(fyo̅o̅ til′i tē),USA pronunciation n., pl. -ties for 2, 3.
- the quality of being futile;
ineffectiveness;
uselessness. - a trifle or frivolity:the large collection of futilities that clutter our minds.
 - a futile act or event.
 
- Latin fūtilitās. See futile, -ity
 - 1615–25
 
Collins Concise English Dictionary © HarperCollins Publishers::
fu•tile /ˈfyutəl, ˈfyutaɪl/USA pronunciation  
adj. 
fu•til•i•ty /fyuˈtɪlɪti/USA pronunciation n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2025- unable to produce any result; ineffective:Attempts to swim across the stormy channel were futile.
 - trifling;
frivolous;
of little value:futile remarks. 
fu•til•i•ty /fyuˈtɪlɪti/USA pronunciation n. [uncountable]
fu•tile 
(fyo̅o̅t′l, fyo̅o̅′tīl),USA pronunciation adj. 
 fu′tile•ly, adv. 
fu′tile•ness, n.
 
            - incapable of producing any result;
ineffective;
useless;
not successful:Attempting to force-feed the sick horse was futile. - trifling;
frivolous;
unimportant. 
- Latin fūtilis, futtilis easily broken, vain, worthless, equivalent. to fūt- (akin to fundere to pour, melt) + -ilis -ile
 - 1545–55
 
fu′tile•ness, n.
- 1.See corresponding entry in Unabridged See useless.
 
'futility' also found in these entries (note: many are not synonyms or translations):