perspicuous

From Latin perspicuus, in turn from perspiciō (“see through”).

• (Received Pronunciation) IPA^(key): /pəˈspɪkjuːəs/
• (General American) IPA^(key): /pɚˈspɪkjuːəs/

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perspicuous (comparative more perspicuous, superlative most perspicuous)

1. Clearly expressed, easy to understand; lucid.
   • 1776, Adam Smith, The Wealth of Nations, Book I, Chapter 4:

     I am always willing to run some hazard of being tedious in order to be sure that I am perspicuous […]

2. (logic) (Of a language or notation) the process of inference from premises to conclusion is explicitly laid out.
3. (rare) Transparent; translucent.

• (clearly expressed): See also Thesaurus:comprehensible
• (transparent): See also Thesaurus:transparent

• (antonym(s) of “clearly expressed”): See also Thesaurus:incomprehensible
• (antonym(s) of “transparent”): See also Thesaurus:opaque
• imperspicuous

• perspicuously
• perspicuousness

• John A. Simpson and Edmund S. C. Weiner, editors (1989), “perspicuous”, in The Oxford English Dictionary, 2nd edition, Oxford: Clarendon Press, →ISBN.