futility (n.)youdaoicibaDictYouDict
1620s, from French futilité or directly from Latin futilitatem (nominative futilitas) "worthlessness, emptiness, vanity," from futilis "vain, worthless" (see futile). Hence, jocular futilitarian (1827, n. and adj.); futilitarianism.
inanity (n.)youdaoicibaDictYouDict
c. 1600, "emptiness, hollowness," literal and figurative, from French inanité or directly from Latin inanitas "emptiness, empty space," figuratively "worthlessness," noun of quality from inanis "empty, void, worthless, useless," of uncertain origin.
worthless (adj.)youdaoicibaDictYouDict
1580s, from worth (n.) + -less. Related: Worthlessly; worthlessness.