Synonyms of unmeaning

1 Syllable
blank, vain
2 Syllables
vague, pointless, trifling, aimless, trivial, vapid, worthless, absurd, fustian, empty, vacant, hollow, feckless, nothing
3 Syllables
meaningless, doubletalk, purportless, senseless, inane, useless, valueless, futile, doublespeak, double-talk
4 Syllables
unimportant, purposeless, nonsensical, nugatory, good-for-nothing, insubstantial, unpurposed
5 Syllables
insignificant, inconsequential