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An instrument for measuring or registering the amount of cloudiness.

An instrument for observing the clouds and their velocity.

Not distant or remote in place or time; near. The loud tumult shows the battle nigh. Prior.

Darkness; clouded. [R.] Shak.

Serving to bring clouds or stormy weather.

Cloudy; stormy; tempestuous.

A rain cloud; one of the four principal varieties of clouds. See Cloud.

Especially, loud, confused, or senseless sound; clamor; din.

Loud; clamorous. [Obs.] Dryden.

Making a noise, esp. a loud sound; clamorous; vociferous; turbulent; boisterous; as, the noisy crowd.

Specifically, the Magellanic clouds.

A light fabric of wool, worn on the head by women; a cloud.

Bringing, or producing, clouds.

Born of, or produced from, clouds. [R.]

To cloud. [Obs.]

Cloudy. [R.]

To darken; to obscure; to becloud; hence, to confuse; to bewilder. His head, like a smokejack, the funnel unswept, and the ideas whirling round and round about in it, all obfuscated and darkened over with fuliginous matter. Sterne. Clouds of passion which might obfuscate the intellects of meaner females. Sir. W. Scott.…

To cloud; to obscure. [Obs.] Burton. -- Ob*nu"bi*la"tion, n. [Obs.] Beddoes.

Not clear, full, or distinct; clouded; imperfect; as, an obscure view of remote objects. Obscure rays (Opt.), those rays which are not luminous or visible, and which in the spectrum are beyond the limits of the visible portion.

Attended by, or making, a loud and tumultuous noise; clamorous; noisy; vociferous. "The obstreperous city." Wordsworth. "Obstreperous approbation." Addison. Beating the air with their obstreperous beaks. B. Jonson. -- Ob*strep"er*ous*ly, adv. -- Ob*strep"er*ous*ness, n.