lucid

/ˈluːsɪd/ · LOO-sidadjective

Clear, coherent, and easy to understand.

Use lucid to express this relationship precisely: clear, coherent, and easy to understand.

What lucid Really Means

The word becomes easier to use when its closely related senses are separated and compared.

1

Core quality

Clear, coherent, and easy to understand.

Example

The article offers a lucid explanation of a complex process.

2

Attributive or predicative use

Use this adjective before a suitable noun or after a linking verb such as be or seem.

Example

Despite its technical subject, the account remains lucid throughout.

3

Analytical distinction

Choose it when this exact descriptive quality matters; a related word may overlap without conveying the same trait.

Example

Her diagrams make the mechanism unusually lucid.

Use lucid Naturally

Notice how the surrounding noun or clause reveals the exact shade of meaning.

The article offers a lucid explanation of a complex process.

Despite its technical subject, the account remains lucid throughout.

Her diagrams make the mechanism unusually lucid.

Precision Matters

Lucid overlaps with several common words, but each carries a different emphasis.

lucid

Means clear, coherent, and easy to understand.

vs.
explicit

Means stated directly and with complete clarity.

lucid

Means clear, coherent, and easy to understand.

vs.
unequivocal

Means completely clear and leaving no room for doubt.

lucid

Means clear, coherent, and easy to understand.

vs.
opaque

Means not allowing light through; figuratively, difficult or impossible to understand.

lucid

Means clear, coherent, and easy to understand.

vs.
indecipherable

Means impossible to read or understand.

Test lucid in Context

The theory is presented clearly and is easy to understand.

1

The editor praised the introduction for presenting the difficult theory in a concise and ___ manner.

Prepared byFirst Academy
Editorial responsibilityFirst Academy Academic Team
Updated3 August 2026
Selection and reviewRead our methodology