figurative. Empty, insubstantial, vain, void, futile.

figurative. Intellectually poor, destitute of meaning or intrinsic value.

Of little or no value; trifling, paltry, insignificant; worthless, rubbishy, trashy.

attributive quasi-adj. Trashy, rubbishy.

Confused, incoherent, nonsensical, rubbishy.

That is nonsense; nonsensical.

Of discourse: ? Ineffectual. (Cf. warble, v.1 4a figurative). Obsolete.

Frivolous, idle, vain, nonsensical; also, deceptive, fictitious, sham.

That is nonsense; of the nature of nonsense, full of nonsense; making no sense; absurd.

Nonsensical.

Nonsensical, silly, trumpery.

of or relating to mataeology; (of discourse) vain or fruitless.

figurative. Mere flattery or empty compliment; nonsense, humbug, empty trifling.

of the nature of slip-slop.

Having the character of twaddle; empty and prosy; rubbishy.

attributive or adj. Of the nature of twaddle; empty and prosy; in quot. 1830, feeble.

Characterized by, or of the nature of, twaddle.

Nonsense, rubbish, humbug. Also as int.

Of the nature of bosh; contemptible, worthless.

full of or addicted to twaddle.

Of the nature of moonshine; fanciful, unreal, insubstantial. Cf. moonshine, n. 2a.

Nonsensical, ridiculous. Also: pompous, self-important.

Nonsensical, ridiculous. Cf. tommyrot, n.

colloquial (originally U.S.). Inferior, of poor quality, worthless, rubbishy; very bad, awful, dreadful.

That is ‘balls’ (see ball, n.1 12a); nonsensical, ridiculous. rare.

slang. Inferior, of poor quality; bad, unsatisfactory, second-rate. Also as an intensifier, typically expressing annoyance, contempt, hostility…