Of which the meaning is evident; simple, easily intelligible, readily understood. Now somewhat rare except in plain English, n., plain language n.…

Of words, statements, explanations, meaning: Easy to understand, fully intelligible, free from obscurity of sense, perspicuous.

transferred and figurative; said esp. of writers, expressions, literary treatment, etc.

Clear, lucid, manifest; easily understood. Obsolete.

Clear, lucid.

Easily understood; clearly expressed; lucid.

Of evidence, arguments: Clear, convincing. Of explanations: Lucid, luminous.

Clear to the understanding; lucid, plain, manifest.

of immaterial things and figurative.

Made clear or lucid; = dilucid, adj.

Clear, plain, intelligible.

Marked by clearness of reasoning, expression, or arrangement; easily intelligible.

figurative. Clear in sense and expression, lucid.

figurative. Of thought or its expression.

figurative. Of language, etc.: Plain, clear in meaning; also gen. easily perceived or detected; manifest. Cf. transparent, adj. 2.