strong

pus, mother of sore, water becoming thick by boiling long

difficult, grievous, grave, heavy, heinous, atrocious, intense, severe, violent, strong

one who punishes severely, an appellation of Allah

the one who has a extreme of enmity with someone

Linguistics: the letters that the sound pauses with such force while pronouncing the letter, that the sound seems to be stop and there is a kind of hardness in it

cause to inflict grievous injury

king of the snakes of hell, extremely terrible, extremely poisonous

great or grave crime

rigorous imprisonment, burdensome imprisonment

extreme restlessness

grievous bodily harm, severe hurt, serious injury

violent animosity

great pressure, great insistence

hard labour, rigorous labour, hard work