futile (adj.) Look up futile at Dictionary.com
1550s, from Middle French futile, from Latin futilis "vain, worthless, futile," literally "pouring out easily" (of a vessel), hence "easily emptied, leaky, unreliable," from base of fundere "pour, melt," from PIE root *gheu- "to pour" (see found (v.2)). Related: Futilely.