An archaic or rare word meaning extreme or pressing in urgency (rarely used in modern English).
From Latin 'extremus' (outermost, extreme), related to 'ex-' (out) and comparative forms. This form is largely obsolete.
This word is so rare that even most English dictionaries don't include it—it's a linguistic fossil showing how English once had competing forms ('expreme' vs. 'extreme'). Sometimes language evolution picks winners arbitrarily.
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