n. (also attrib.) person with extreme views. 1 extremism n. extremity alestremitif n. (pl. ies) 1 extreme point; very end. 2 (in pt) the hands and feet. 3 condition of extreme adversity. [Latin: related to EXTREME] extricate rekstri,keitt v. (ting) (often foil. by from) free or disentangle from