the one who has a extreme of enmity with someone

one who punishes severely, an appellation of Allah

great pressure, great insistence

hard labour, rigorous labour, hard work

extreme restlessness

grievous bodily harm, severe hurt, serious injury

rigorous imprisonment, burdensome imprisonment

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

cause to inflict grievous injury

vying, competing

centripetal force

manpower

strengthen, make strong, fortify

one who tries his strength, one who endeavors

sexual power or virility (of a male)

Wind power

tensile strength

strength-increasing, a tonic, stimulant