ل ج جl-j-j
(س، ض) لَجَّ يَلَجُّ وَيَلِجُّ لَجَاجًا وَلَجَاجَةًlajja yalajju wa-yalijju lajājan wa-lajājatan (original form: لَجِجَlajija): to persist stubbornly in something, to be obstinate and insistent; the original sense carries the meaning of clamour and turbulence. ﴿بَلْ لَّجُّوْا فِيْ عُتُوٍّ وَّنُفُوْرٍ﴾ (Al-Mulk 67:21)
لُجَّةٌlujjah pl. لُجَجٌlujaj (noun, ism dhāt): that part of deep water from which no shore is visible, surging water. ﴿فَلَمَّا رَاَتْهُ حَسِبَتْهُ لُجَّةً﴾ (An-Naml 27:44)
لُجِّيٌّlujjiyy (relative adjective, ism nisbah): extremely deep, with both bottom and shore out of sight. ﴿اَوْ كَظُلُمٰتٍ فِيْ بَحْرٍ لُّجِّيٍّ﴾ (An-Nūr 24:40)