ع ج بʿ-j-b
(س) عَجِبَ يَعْجَبُ عَجَبًاʿajiba yaʿjabu ʿajaban: to be astonished; to wonder.
عَجَبٌʿajab (verbal noun (maṣdar), also used as an adjective): astonishing, wondrous. ﴿وَاِنْ تَعْجَبْ فَعَجَبٌ قَوْلُهُمْ﴾ (Ar-Raʿd 13:5)
عُجَابٌʿujāb (intensive form, ṣīghat al-mubālaghah): most wondrous. ﴿اِنَّ هٰذَا لَشَيْءٌ عُجَابٌ﴾ (Ṣād 38:5)
Form IV (ifʿāl) اَعْجَبَ يُعْجِبُ اِعْجَابًاaʿjaba yuʿjibu iʿjāban: to fill someone with wonder; to seem attractive, to please. ﴿وَلَوْ اَعْجَبَكَ حُسْنُهُنَّ﴾ (Al-Aḥzāb 33:52)
Form V (tafaʿʿul) تَعَجَّبَ يَتَعَجَّبُ تَعَجُّبًاtaʿajjaba yataʿajjabu taʿajjuban: to be amazed at something; to wonder (this verb is not used in the Quran).