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)

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

   ‏كَمَا يَجِبُ‎

   kamā yajibu

   as it should be, as it must be

   ‏يَجِبُ أَن أَذْهَبَ‎ ― yajibu ʾan ʾaḏhaba ― 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 (ʿalā, “on”)

   ‏وَجَبَ عَلَيْهِ أَنْ ...‎‎

   wajaba ʿalayhi ʾan ...

   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 someone is necessary is given as the object of عَلَى‎ (ʿalā, “on”) or as the subject of the verb in the clause introduced by the subjunctive particle أَنْ‎ (ʾan).

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)

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

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

وجب • (vajab)

1. span