Without meaning.

Roget 497: absurd, nonsensical, preposterous, egregious, senseless, inconsistent, ridiculous, extravagant, quibbling; self-annulling, self-contradictory; macaronic^†, punning.    foolish etc. 499; sophistical etc. 477; unmeaning etc. 517; without rhyme or reason; fantastic.    ... show more

Roget 517: unmeaning; meaningless, senseless; nonsensical; void of sense etc. 516.    inexpressive, unexpressive; vacant; not significant etc. 516; insignificant.    trashy, washy, trumpery, trivial, fiddle-faddle, twaddling, quibbling.    unmeant, not expressed; tacit etc. (latent) 526.    inexpressible, undefinable, incommunicable.    ... show more