n. 25B6; adjective
extreme danger : UTMOST, very great, greatest (possible), maximum, maximal, highest, supreme, great, acute, enormous, severe, high, exceptional, extraordinary.
extreme measures : DRASTIC, serious, desperate, dire, radical, far-reaching, momentous, consequential; heavy, sharp, severe, austere, harsh, tough, strict, rigorous, oppressive, draconian; Brit. swingeing.
extreme views : RADICAL, extremist, immoderate, fanatical, revolutionary, rebel, subversive, militant.
extreme sports : DANGEROUS, hazardous, risky, high-risk, adventurous.
the extreme north-west : FURTHEST, farthest, furthermost, farthermost, very, utmost; archaic outmost.
ultra-.
slight, moderate.
25B6; noun
the two extremes : OPPOSITE, antithesis, side of the coin, (opposite) pole, antipode.
this attitude is taken to its extreme in the following quote : LIMIT, extremity, highest/greatest degree, maximum, height, top, zenith, peak.
25A0; in the extreme . See extremely .