English Reference
adjective

credible

adj.
US /ˈkɹɛdəbəɫ/ UK /kɹˈɛdɪbəl/ cred·i·ble

  1. 01 B2 Upper Intermediate

    easy to believe because it seems likely to be true.

    capable of being believed; plausible or convincing in nature.

    Simple

    The police didn't find his excuse very credible because the timing was wrong.

    In context

    The witness provided a credible account of the accident, which was later supported by the footage from a nearby security camera.

    Pitfall
    His story was very credulous. His story was very credible.

    Use 'credible' for a story that is believable. 'Credulous' describes a person who believes things too easily.

  2. 02 C1 Advanced Formal

    someone or something that you can trust or depend on.

    worthy of confidence; dependable or reliable in a professional or personal capacity.

    Simple

    You should only get your medical news from credible sources like doctors.

    In context

    Establishing yourself as a credible expert in this field requires years of rigorous research and peer-reviewed publications.

    Usage

    Often used to describe sources of information, experts, or witnesses.

Don't confuse

credible vs credulous — Credible describes the quality of the information, while credulous describes the gullibility of the person hearing it.

Reform UK said overnight that police had told Farage not to attend the count due to a “credible threat” against him, which the Press Association understands is not the case.

The Guardian· 14 Aug 2026

Overnight, Reform UK said police had told him not to attend because of a “credible threat” against him, although Essex police contradicted this claim.

The Guardian· 14 Aug 2026

From Middle English credible, borrowed from Middle French credible, from Latin crēdibilis (“worthy of belief”), from crēdō (“believe”); see credit.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin crēdibilis
Level C1 · Advanced
Frequency Frequent
Updated