Extreme

أَخِير

ʔaḵīr

(archaic: ultimate, final or last)

الْأَبْعَد

al-ʔabʕad

(of a place, the most remote, farthest or outermost)

الْأُقْصَى

al-ʔuqṣā

(of a place, the most remote, farthest or outermost)

خَطِير

ḵaṭīr

(drastic, or of great severity)

شَدِيد

šadīd

(in the greatest or highest degree; intense)

غَيْر اِعْتِيَادِيّ

ḡayr iʕtiyādiyy

(excessive, or far beyond the norm)

مُتَطَرِّف

mutaṭarrif

(of sports, difficult or dangerous; performed in a hazardous environment)