From Latin: icalis, icus Sample words for the root ical: chronological, practical, illogical, astronomical, identical, logical, vertical, economical, tropical, inimical, nautical, pharmaceutical, medical, cervical, cynical, ethical, evangelical, farcical, metaphysical, mystical, radical, skeptical, asymmetrical, critical, elliptical, impractical, archaeological, clinical, ecological, optical, pedagogical. Each word has meanings and examples. Click their buttons to get sentences selected from classic works and modern media.