futilidad
futility
futile
useless, ineffective
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-idad
noun suffix (quality or state)
Futilidad means futility and can be thought of as the quality or state1 (-idad1) of being futile0 (useless or ineffective0).
noun
- futilityThe quality of being futile or pointlessLa futilidad de sus esfuerzos era evidente. // The futility of his efforts was evident.