credulous

/ˈkredjʊləs/ · KREJ-uh-luhsadjective

Too ready to believe claims and therefore easily deceived.

Use credulous for a person or audience that accepts questionable claims without demanding enough evidence.

What credulous Really Means

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

1

Easily deceived

Likely to accept false stories, promises, or appearances as true.

Example

A credulous audience made the false rumor easier to spread.

2

Insufficiently sceptical

Failing to examine evidence or question an implausible claim.

Example

Credulous readers shared the dramatic article without checking its sources.

3

Overly trusting

Showing more confidence in a speaker or source than the available evidence justifies.

Example

The scheme succeeded because investors were credulous about its impossible guarantees.

Use credulous Naturally

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

A credulous audience made the false rumor easier to spread.

The advertisement was designed to persuade credulous customers with unsupported promises.

Even normally careful readers can become credulous when a claim confirms what they already believe.

Precision Matters

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

credulous

Is formal and stresses readiness to believe claims.

vs.
gullible

Is more conversational and stresses ease of being tricked.

credulous

Usually criticises belief unsupported by adequate evidence.

vs.
trusting

Can positively describe confidence in other people.

credulous

Specifically concerns excessive willingness to believe.

vs.
naive

Broadly suggests lack of experience, judgement, or worldly knowledge.

credulous

Describes the believer as too ready to accept claims.

vs.
credible

Describes a claim or source that deserves belief.

Test credulous in Context

The customers are too ready to believe an implausible promise.

1

The fraudulent advertisement promised guaranteed returns with no risk, relying on ___ customers who would accept the claim without examining the evidence.

Prepared byFirst Academy
Editorial responsibilityFirst Academy Academic Team
Updated2 August 2026
Selection and reviewRead our methodology