لظ

مُلِظٌّ ذ Keeping, cleaving, or adhering; (T;) not quitting. (T, S.) You say, هُوَ مُلِظٌّ بِهِ He is keeping, cleaving, or adhering, to him; (T;) not quitting him. (S, T.) ― -b2- A man much attached, addicted, or given, to a thing; (T;) who applies himself perseveringly, assiduously, constantly, or incessantly, (T, S,) to it; as also ↓ مِلْظَاظٌ: (T:) or the latter signifies very persevering, assiduous, or constant. (S, K.)