وجب

Form I verb from the root و ج ب (w j b).

• IPA^(key): /wa.d͡ʒa.ba/

وَجَبَ • (wajaba) I (non-past يَجِبُ (yajibu), verbal noun وُجُوب (wujūb))

1. (intransitive) to be necessary, have to be; must: followed by عَلَى (ʕalā, “on”) or by أَنْ (ʔan) and the subjunctive with a personal subject

   كَمَا يَجِبُ ― kamā yajibu ― as it should be, as it must be

   يَجِبُ أَن أَذْهَبَ ― yajibu ʔan ʔaḏhaba ― It is necessary for me to go; I must go

2. (intransitive) to be one's duty; to be incumbent, imposed, enjoined: followed by عَلَى (ʕalā, “on”)

   يَجِب عَلَيْهِ أَنْ ... ― yajib ʕalayhi ʔan ... ― it is his duty to, he has to, he must

In the first sense, وَجَبَ (wajaba) is impersonal: it does not take a personal subject. The person for whom something is necessary is given as the object of عَلَى (ʕalā, “on”) or as the subject of the verb in the clause introduced by the subjunctive particle أَنْ (ʔan).

Causative Form II verb from the root و ج ب (w j b); compare وَجَبَ (wajaba, “to be necessary”).

• IPA^(key): /wad͡ʒ.d͡ʒa.ba/

وَجَّبَ • (wajjaba) II (non-past يُوَجِّبُ (yuwajjibu), verbal noun تَوْجِيب (tawjīb))

1. (transitive, construed with عَلَى (ʕalā)) to impose (something) on

• Mace, John (2007) “وجب”, in Arabic Verbs, New York: Hippocrene Books, Inc., →ISBN

وجب • (vajab)

1. span

   Synonym: (Dari) بلست (belest)