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Arabic root

ك-ذ-ب

2 words from this root family

B1noun
كَذِب
kadhib

lie / falsehood

Example
الكَذِبُ صِفَةٌ سَيِّئَة.
al-kadhibu ṣifatun sayyiʾa.
Lying is a bad trait.
A2verb
كَذَبَ
kadhaba

he lied / he denied the truth

Example
وَيْلٌ يَوْمَئِذٍ لِلْمُكَذِّبِينَ
waylun yawmaʾidhin lil-mukadhdhibīn
Woe, that Day, to the deniers (77:15)
Grammar

Form I verb. Past: كَذَبَ, Present: يَكْذِبُ. Form II: كَذَّبَ (to call a liar, to deny). Related: كَذِبٌ (lie), كَاذِبٌ (liar), مُكَذِّبٌ (denier).

Culture

The refrain 'woe to the deniers' is repeated ten times in Surah Al-Mursalāt (77), creating a powerful rhetorical impact.