This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Clearly expressed or presented; easy to understand: perspicuous prose.

adj. Expressing oneself clearly and effectively: a perspicuous lecturer.

adj. Clearly expressed, easy to understand; lucid.

adj. Of a language or notation, such as that of formal propositional calculus: where the process of inference from premises to conclusion is explicitly laid out.

adj. Transparent; translucent.

adj. Capable of being through; transparent; translucent; not opaque.

adj. Clear to the understanding; capable of being clearly understood; clear in thought or in expression; not obscure or ambiguous

Capable of being seen through; transparent; translucent.

Obvious; plainly to be seen; conspicuous; eveident.

Clear to the understanding; that may be easily apprehended or clearly understood; not obscure or ambiguous; lucid: as, a perspicuous statement.

Synonyms See perspicuity.

adj. (of language) transparently clear; easily understandable

"Similarly, to some numerical and geometrical functions, that can be described and grasped easily, the combinators that are frequently encountered can be characterized as perspicuous transformations on terms."

clear   

imperspicuous   

transparent    translucent    clear    intelligible   

succinct    unself-conscious    unintermittent    lucid    fluent    unexceptionable    readable    repeatable    intelligible    terse