fanatical (adj.)

• agog
• ardent
• authoritarian
• balking
• balky
• bigoted
• borne
• bullheaded
• burning
• case-hardened
• closed
• compulsive
• constricted
• cramped
• deaf
• delirious
• distracted
• dogged
• dogmatic
• enthusiastic
• excessive
• extravagant
• extreme
• extremist
• fanatic
• febrile
• fervent
• fervid
• feverish
• fiery
• flaming
• frantic
• frenetic
• frenzied
• furious
• haggard
• hard-core
• hardheaded
• headstrong
• heated
• hectic
• hidebound
• hot
• hotheaded
• hysteric
• illiberal
• immoderate
• infatuated
• inflamed
• inordinate
• insane
• insular
• intolerant
• irrational
• little
• mad
• madcap
• maniacal
• mean
• monomaniacal
• mulish
• narrow
• narrow-minded
• nearsighted
• obsessive
• obstinate
• opinionated
• overanxious
• overeager
• overenthusiastic
• overzealous
• parochial
• passionate
• perfervid
• persevering
• pertinacious
• petty
• pigheaded
• provincial
• purblind
• rabid
• red-hot
• restive
• sanctimonious
• scorching
• self-willed
• set
• shortsighted
• small
• small-minded
• stiff-necked
• straitlaced
• strong-willed
• stubborn
• stuffy
• sulky
• sullen
• tenacious
• uncharitable
• uncooperative
• ungenerous
• unreasonable
• unregenerate
• white-hot
• wild
• wild-eyed
• willful
• zealous