fanatical

I

(Roget's IV) modif.

Syn. fanatic, zealous, obsessed, impassioned, passionate, rabid, extreme, extremist, bigoted, devoted, feverish, prejudiced, biased, radical, militant, immoderate, partisan, obstinate, headstrong, burning, fiery, fervent, fervid, ardent, frenzied, excessively enthusiastic, overzealous, overenthusiastic, raving, of the lunatic fringe, maniacal, mad, wild, partial, stubborn, singleminded, one-ideaed, monomaniacal, infatuated, possessed, opinionated, narrow-minded, dogmatic, arbitrary, positive, tenacious, die-hard, ultraist, hard-line, wild-eyed.

Ant. moderate*, reasonable, impartial.

II

(Roget's 3 Superthesaurus) a.

zealous, extreme, radical, devoted, militant, rabid, single-minded, monomaniacal, obsessive, fervent, dogmatic.

ANT.: moderate, reasonable, open-minded

III

(Roget's Thesaurus II) adjective Holding especially political views that deviate drastically and fundamentally from conventional or traditional beliefs: extreme, extremist, fanatic, rabid, radical, revolutionary, ultra. Slang: far-out. See CONCERN, EDGE, POLITICS.