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1. Disposed to believe too readily; gullible.
2. Arising from or characterized by credulity. See Usage Note at credible.

[From Latin crēdulus, from crēdere, to believe; see kerd- in Indo-European roots.]

cred′u·lous·ly adv.
cred′u·lous·ness n.


1. tending to believe something on little evidence
2. arising from or characterized by credulity: credulous beliefs.
[C16: from Latin crēdulus, from crēdere to believe]
ˈcredulously adv
ˈcredulousness n


(ˈkrɛdʒ ə ləs)

1. willing to believe or trust too readily; gullible.
2. marked by or arising from credulity: a credulous rumor.
[1570–80; < Latin crēdulus=crēd(ere) to believe + -ulus -ulous]
cred′u•lous•ly, adv.
cred′u•lous•ness, n.


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.credulous - disposed to believe on little evidence; "the gimmick would convince none but the most credulous"
naif, naive - marked by or showing unaffected simplicity and lack of guile or worldly experience; "a teenager's naive ignorance of life"; "the naive assumption that things can only get better"; "this naive simple creature with wide friendly eyes so eager to believe appearances"
trustful, trusting - inclined to believe or confide readily; full of trust; "great brown eye, true and trustful"- Nordhoff & Hall
incredulous - not disposed or willing to believe; unbelieving
2.credulous - showing a lack of judgment or experience; "so credulous he believes everything he reads"
naif, naive - marked by or showing unaffected simplicity and lack of guile or worldly experience; "a teenager's naive ignorance of life"; "the naive assumption that things can only get better"; "this naive simple creature with wide friendly eyes so eager to believe appearances"


adjective gullible, trusting, unsuspecting, naive or naïve, uncritical, green, born yesterday (informal), wet behind the ears (informal), unsuspicious, as green as grass, overtrusting Why are westerners such credulous suckers for alternative therapies?
suspecting, wary, cynical, sceptical, incredulous, unbelieving


Easily imposed on or tricked:
سَريع التَّصْديق
çabuk inanansafdil


[ˈkredjʊləs] ADJcrédulo


[ˈkrɛdʒʊləs] adj (= gullible) [person] → crédule


, credulously
adj, advleichtgläubig


[ˈkrɛdjʊləs] adjcredulo/a


(ˈkredjuləs) , ((American) -dʒu-) adjective
believing too easily.
ˈcredulousness, creˈdulity (-ˈdjuː-) noun
References in classic literature ?
Their deities were always ready at the writer's elbow, to execute any of his purposes; and the more extraordinary the invention was, the greater was the surprize and delight of the credulous reader.
But can you really be so credulous as to think that I will print all this and give it to you to read too?
As for talkers and futile persons, they are commonly vain and credulous withal.
In applying thus particularly to the Senate a general observation suggested by the situation of the country, I am governed by the consideration, that the credulous votaries of State power cannot, upon their own principles, suspect, that the State legislatures would be warped from their duty by any external influence.
I cannot feel friendly toward my quondam fellow-American, Napoleon III., especially at this time,--[July, 1867.]--when in fancy I see his credulous victim, Maximilian, lying stark and stiff in Mexico, and his maniac widow watching eagerly from her French asylum for the form that will never come--but I do admire his nerve, his calm self-reliance, his shrewd good sense.
He threw out biting remarks on Lydgate's tricks, worthy only of a quack, to get himself a factitious reputation with credulous people.
It is remarkable that what we call the world, which is so very credulous in what professes to be true, is most incredulous in what professes to be imaginary; and that, while, every day in real life, it will allow in one man no blemishes, and in another no virtues, it will seldom admit a very strongly-marked character, either good or bad, in a fictitious narrative, to be within the limits of probability.
in good time, though, to his great delight, the three salt-sea warriors would rise and depart; to his credulous, fable-mongering ears, all their martial bones jingling in them at every step, like Moorish scimetars in scabbards.
This terrible event clothed the archangel with added influence; because his credulous disciples believed that he had specifically fore-announced it, instead of only making a general prophecy, which any one might have done, and so have chanced to hit one of many marks in the wide margin allowed.
A brown spotted lady-bug climbed the dizzy height of a grass blade, and Tom bent down close to it and said, "Lady-bug, lady-bug, fly away home, your house is on fire, your children's alone," and she took wing and went off to see about it -- which did not surprise the boy, for he knew of old that this insect was credulous about conflagrations, and he had practised upon its simplicity more than once.
It was rumored that her elaborately curled "front piece" had cost five dollars, and that it was sent into Portland twice a year to be dressed and frizzed; but it is extremely difficult to discover the precise facts in such cases, and a conscientious historian always prefers to warn a too credulous reader against imbibing as gospel truth something that might be the basest perversion of it.
Their old friendship and its firm base upon indestructible qualities of character crumbled, and her whole past seemed foolish, herself weak and credulous, and Ralph merely the shell of an honest man.