| adjective | (of language) transparently clear; easily understandable; ; ; - Robert Burton “writes in a limpid style” |
| adjective | having a clear mind “a lucid moment in his madness” |
| adjective | capable of thinking and expressing yourself in a clear and consistent manner “a lucid thinker” |
| adjective | transmitting light; able to be seen through with clarity “the cold crystalline water of melted snow” |
| limpidity | noun | free from obscurity and easy to understand; the comprehensibility of clear expression |
| lucidity | noun | free from obscurity and easy to understand; the comprehensibility of clear expression |
| pellucidity | noun | free from obscurity and easy to understand; the comprehensibility of clear expression |
| perspicuousness | noun | clarity as a consequence of being perspicuous |
| perspicuity | noun | clarity as a consequence of being perspicuous |
| coherency | noun | logical and orderly and consistent relation of parts |
| logicalness | noun | correct and valid reasoning |
| pellucidness | noun | passing light without diffusion or distortion |
| transparency | noun | permitting the free passage of electromagnetic radiation |
| transparentness | noun | the quality of being clear and transparent |
| transparence | noun | permitting the free passage of electromagnetic radiation |