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كَذَبَ

to lie

VerbForm IRoot ك-ذ-ب

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Also written كذب: كَذَّبَ (to allege of lying)

Highlights

Present tense
يَكْذِبُ
Verbal nouns
كَذِب، كِذْب، كِذْبَة
Active participle
كَاذِب
Passive participle
مَكْذُوب

Most common words from the same root

Adjective
كَاذِب
false
Verb · Form II
كَذَّبَ
to allege of lying
Noun
أُكْذُوبَة
a lie
Noun
كَذِب
lying
Adjective
كَذِب
false
Noun
كَاذِب
liar

كَذَبَ in English

Verb · Form I

  1. to lie, to not tell the truth
    1. to lie to (someone) intransitive
      كَذَبَنِي الْحَدِيثَHe lied to me in his speech.
    2. to lie about (عَلَى (ʕalā)) intransitive
  2. to deceive

Word origin

Cognate with Hebrew כָּזָב (kazáv, “to lie, to deceive, to mislead”) and Classical Syriac ܟܕܒܐ (kaddɑvɑ, “liar”).

Words from the root ك-ذ-ب

Arabic verbs come in forms; each form's nouns are listed under its verb. See the whole root on one page →

كَذَبَ · present يَكْذِبُ
Form I · The plain action

to lie, to not tell the truth; to deceive

كَذِب
Verbal noun
lying
كَذِب
Verbal noun · Adjective
false
كِذْب
Verbal noun
كِذْبَة
Verbal noun
كَاذِب
Active participle · Adjective
false
كَاذِب
Active participle
liar
مَكْذُوب
Passive participle · Adjective
fabricated
كَذَّبَ · present يُكَذِّبُ
Form II · Causative or intensive

to allege of lying, to disbelieve someone; to accuse or tell that something is false or deceitful, to disbelieve; to disbelieve in

تَكْذِيب
Verbal noun
a refutation
كِذَّاب
Verbal noun
مُكَذِّب
Active participle
مُكَذَّب
Passive participle
تَكَذَّبَ · present يَتَكَذَّبُ
Form V · Reflexive of Form II

to pretend to lie; to accuse someone a liar

تَكَذُّب
Verbal noun
مُتَكَذِّب
Active participle
أُكْذُوبَة
Noun · f.
a lie
كَذَّاب
Adjective
who lies
كِذَاب
Noun · m.
كَذُوب
Adjective
frequently lying

كَذَبَ conjugation

Active voice. Present, subjunctive and jussive are the three moods of the non-past.

PronounPastPresentSubjunctiveJussiveImperative
أَنَا Iكَذَبْتُأَكْذِبُأَكْذِبَأَكْذِبْ—
أَنْتَ you (m.)كَذَبْتَتَكْذِبُتَكْذِبَتَكْذِبْاِكْذِبْ
أَنْتِ you (f.)كَذَبْتِتَكْذِبِينَتَكْذِبِيتَكْذِبِياِكْذِبِي
هُوَ heكَذَبَيَكْذِبُيَكْذِبَيَكْذِبْ—
هِيَ sheكَذَبَتْتَكْذِبُتَكْذِبَتَكْذِبْ—
أَنْتُمَا you twoكَذَبْتُمَاتَكْذِبَانِتَكْذِبَاتَكْذِبَااِكْذِبَا
هُمَا they two (m.)كَذَبَايَكْذِبَانِيَكْذِبَايَكْذِبَا—
هُمَا they two (f.)كَذَبَتَاتَكْذِبَانِتَكْذِبَاتَكْذِبَا—
نَحْنُ weكَذَبْنَانَكْذِبُنَكْذِبَنَكْذِبْ—
أَنْتُمْ you all (m.)كَذَبْتُمْتَكْذِبُونَتَكْذِبُواتَكْذِبُوااِكْذِبُوا
أَنْتُنَّ you all (f.)كَذَبْتُنَّتَكْذِبْنَتَكْذِبْنَتَكْذِبْنَاِكْذِبْنَ
هُمْ they (m.)كَذَبُوايَكْذِبُونَيَكْذِبُوايَكْذِبُوا—
هُنَّ they (f.)كَذَبْنَيَكْذِبْنَيَكْذِبْنَيَكْذِبْنَ—
Verbal nounكَذِب، كِذْب، كِذْبَة
Active participleكَاذِب
Passive participleمَكْذُوب

كَذَبَ in a sentence

Dictionary examples

to lie to

كَذَبَنِي الْحَدِيثَHe lied to me in his speech.

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