Roget's Thesaurus: Entry 517 (Absence of meaning)

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#517. [Absence of meaning.] Unmeaningness. -- N. meaninglessness, unmeaningness &c. adj[obs].; scrabble.

empty sound, dead letter, vox et praeterea nihil[Lat]; "a tale told by an idiot, full of sound and fury, signifying nothing"; "sounding brass and a tinkling cymbal."

nonsense, utter nonsense, gibberish; jargon, jabber, mere words, hocus-pocus, fustian, rant, bombast, balderdash, palaver, flummery, verbiage, babble, baverdage, baragouin[obs], platitude, niaiserie[obs]; inanity; flap-doodle; rigmarole, rodomontade; truism; nugae canorae[Lat]; twaddle, twattle, fudge, trash, garbage, humbug; poppy-cock [U.S.]; stuff, stuff and nonsense; bosh, rubbish, moonshine, wish-wash, fiddle-faddle; absurdity &c. 497; vagueness &c. (unintelligibility) 519.

[routine or reflexive statements without substantive thought, esp. legal] boilerplate.

V. mean nothing; be unmeaning &c. adj.; twaddle, quibble, scrabble.

Adj. unmeaning; meaningless, senseless; nonsensical; void of sense &c. 516.

inexpressive, unexpressive; vacant; not significant &c. 516; insignificant.

trashy, washy, trumpery, trivial, fiddle-faddle, twaddling, quibbling.

unmeant, not expressed; tacit &c. (latent) 526.

inexpressible, undefinable, incommunicable.