The word(s) "extreme" appears 4 time(s) in 4 verse(s) in Quran in Muhammad Pickthal translation.

(1) Know they not that whoso opposeth Allah and His messenger, his verily is fire of hell, to abide therein? That is the extreme abasement.

(سورة التوبة, At-Tawba, Chapter #9, Verse #63)
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(2) A similitude of those who disbelieve in their Lord: Their works are as ashes which the wind bloweth hard upon a stormy day. They have no control of aught that they have earned. That is the extreme failure.

(سورة ابراهيم, Ibrahim, Chapter #14, Verse #18)
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(3) Until, when We open for them the gate of extreme punishment, behold! they are aghast thereat.

(سورة المؤمنون, Al-Muminoon, Chapter #23, Verse #77)
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(4) And other (torment) of the kind in pairs (the two extremes)!

(سورة ص, Saad, Chapter #38, Verse #58)
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