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1. Capable of being believed; believable or plausible: a credible witness; a credible explanation. See Synonyms at plausible.
2. Considered capable of achieving a goal: The party must nominate a credible candidate for governor.
3. Being of sufficient military capability to deter an attack or carry out an operation successfully: credible military force.

[Middle English, from Latin crēdibilis, from crēdere, to believe; see kerd- in Indo-European roots.]

cred′i·ble·ness n.
cred′i·bly adv.
Usage Note: Credible is widely but incorrectly used where credulous would be appropriate. Credulous means "believing too readily" or "gullible," as in He was credulous (not credible) enough to believe the manufacturer's claims.


1. capable of being believed
2. trustworthy or reliable: the latest claim is the only one to involve a credible witness.
[C14: from Latin crēdibilis, from Latin crēdere to believe]
ˈcredibleness n
ˈcredibly adv


(ˈkrɛd ə bəl)

1. capable of being believed; trustworthy.
2. effective or reliable: credible new defense weapons.
[1350–1400; Middle English (< Middle French) < Latin crēdibilis=crēd(ere) to believe + -ibilis -ible]
cred`i•bil′i•ty, n.
cred′i•bly, adv.


1. 'credible'

If something is credible, it can be believed.

His latest statements are hardly credible.
This is not credible to anyone who has studied the facts.

Credible is most commonly used in negative sentences.

2. 'credulous'

People who are credulous are always ready to believe what other people tell them, and are easily deceived.

Credulous women bought the mandrake root to promote conception.
3. 'creditable'

A performance, achievement, or action that is creditable is of a reasonably high standard.

He polled a creditable 44.8 percent.
Their performance was even less creditable.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.credible - capable of being believedcredible - capable of being believed; "completely credible testimony"; "credible information"
plausible - apparently reasonable and valid, and truthful; "a plausible excuse"
thinkable - capable of being conceived or imagined or considered
incredible, unbelievable - beyond belief or understanding; "at incredible speed"; "the book's plot is simply incredible"
2.credible - (a common but incorrect usage where `credulous' would be appropriate) credulous; "she was not the...credible fool he expected"
credulous - disposed to believe on little evidence; "the gimmick would convince none but the most credulous"
3.credible - appearing to merit belief or acceptance; "a credible witness"
convincing - causing one to believe the truth of something; "a convincing story"; "a convincing manner"


2. reliable, honest, dependable, trustworthy, sincere, trusty the evidence of credible witnesses
reliable unreliable, dishonest, untrustworthy, insincere, not dependable


1. Worthy of being believed:
2. Worthy of belief, as because of precision or faithfulness to an original:
مُمكِن تَصديقُه، قابِل للتَّصْديقمَوْثُوق به
신용할 수 있는
đáng tin cậy


[ˈkredɪbl] ADJ (gen) → creíble, digno de crédito; [person] → plausible; [witness] → de integridad


[ˈkrɛdɪbəl] adj
(= believable) [statement] → crédible; [evidence] → crédible
(= trustworthy) [person] → digne de foi
(= likely to succeed) [candidate, policy, system] → crédible; [strategy] → convaincant(e)




[ˈkrɛdɪbl] adj (gen) → credibile; (witness, source) → attendibile


(ˈkredəbl) adjective
that may be believed. The story he told was barely credible.
ˈcredibly adverb
ˌcrediˈbility noun


مَوْثُوق به věrohodný troværdig glaubwürdig αξιόπιστος creíble uskottava crédible vjerodostojan credibile 信用できる 신용할 수 있는 geloofwaardig troverdig wiarygodny acreditável, credível правдоподобный trovärdig น่าเชื่อถือ güvenilir đáng tin cậy 可信的
References in classic literature ?
I scarce know how to put my story into words that shall be a credible picture of my state of mind; but I was in these days literally able to find a joy in the extraordinary flight of heroism the occasion demanded of me.
Seems it credible that by three such thin threads the great Leviathan was suspended like the big weight to an eight day clock.
There were credible rumors, also, of a hemstitched pocket-handkerchief; and report even went so far as to state that Miss Ophelia had one pocket-handkerchief with lace all around it,--it was even added that it was worked in the corners; but this latter point was never satisfactorily ascertained, and remains, in fact, unsettled to this day.
Every detail of the damaging circumstances that occurred in the graveyard upon that morning which all present remembered so well was brought out by credible witnesses, but none of them were cross- examined by Potter's lawyer.
Ham Peggotty, who went to the national school, and was a very dragon at his catechism, and who may therefore be regarded as a credible witness, reported next day, that happening to peep in at the parlour-door an hour after this, he was instantly descried by Miss Betsey, then walking to and fro in a state of agitation, and pounced upon before he could make his escape.
But not only is he a darling and alive and credible but his creator has also managed to invest everybody else in the book with the same kind of life.
Neither can it seem credible that a man in a distant city may be located as readily as though he were close at hand.
In what words shall I describe this dread exploit, by what language shall I make it credible to ages to come, what eulogies are there unmeet for thee, though they be hyperboles piled on hyperboles
The story was so fantastic and incredible, the telling so credible and sober.
To me it is quite credible that the Martians may be descended from beings not unlike ourselves, by a gradual development of brain and hands (the latter giving rise to the two bunches of delicate tentacles at last) at the expense of the rest of the body.
To those who have merely touched at Nukuheva Bay, without visiting other portions of the island, it would hardly appear credible the diversities presented between the various small clans inhabiting so diminutive a spot.
Upon my word, if the legend were not one which I heard on my grandmother's knee, and which had established its place among things credible before my childish judgment could analyze its probability, I question whether I should have the face to tell it now.