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adjective

lucid

/ˈluːsɪd/  ·  say it: LOO·sid

expressed clearly; easy to understand

In Sophisticated Everyday

In more detail

1. (adjective) clear and easy to understand

2. (adjective) thinking clearly and being aware of what is happening around you

Examples

How to use lucid

Lucid is used to describe something expressed with exceptional clarity, or a person's mental state when they are thinking sharply and perceiving reality accurately. It is more formal and evaluative than 'clear', and often implies a quality of brightness or illumination, whether literal or mental. The term is common in medical and psychological contexts when describing moments of clarity in confused or delirious patients.

Register: formal

Common phrases

Synonyms

clear · intelligible · transparent · comprehensible · coherent

Opposites

obscure · muddled · confusing

Word family

lucidity (noun) · lucidly (adverb)

A common mistake

Learners sometimes use 'lucid' to mean 'bright' or 'shiny' in purely visual contexts; while it can describe light, it is primarily used for clarity of thought, writing, or expression.

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