peremptory

peremptory
    adj 1: offensively self-assured or given to exercising usually
           unwarranted power; "an autocratic person"; "autocratic
           behavior"; "a bossy way of ordering others around"; "a
           rather aggressive and dominating character"; "managed the
           employees in an aloof magisterial way"; "a swaggering
           peremptory manner" [syn: {autocratic}, {bossy},
           {dominating}, {high-and-mighty}, {magisterial},
           {peremptory}]
    2: not allowing contradiction or refusal; "spoke in peremptory
       tones"; "peremptory commands"
    3: putting an end to all debate or action; "a peremptory decree"
    

Peremptory \Per"emp*to*ry\, a. [L. peremptorius destructive,
   deadly, decisive, final: cf. F. p['e]remptorie. See
   {Perempt}.]
   1. Precluding debate or expostulation; not admitting of
      question or appeal; positive; absolute; decisive;
      conclusive; final.
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            Think of heaven with hearty purposes and peremptory
            designs to get thither.               --Jer. Taylor.
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   2. Positive in opinion or judgment; decided; dictatorial;
      dogmatical.
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            Be not too positive and peremptory.   --Bacon.
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            Briefly, then, for we are peremptory. --Shak.
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   3. Firmly determined; unawed. [Poetic] --Shak.
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   {Peremptory challenge} (Law) See under {Challenge}.

   {Peremptory mandamus}, a final and absolute mandamus.

   {Peremptory plea}, a plea by a defendant tending to impeach
      the plaintiff's right of action; a plea in bar.
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   Syn: Decisive; positive; absolute; authoritative; express;
        arbitrary; dogmatical.
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PEREMPTORY. Absolute; positive. A final determination to act without hope of 
renewing or altering. Joined to a substantive, this word is frequently used 
in law; as peremptory action; F. N. B. 35, 38, 104, 108; peremptory nonsuit; 
Id. 5, 11; peremptory exception; Bract. lib. 4, c. 20; peremptory 
undertaking; 3 Chit. Pract. 112, 793; peremptory challenge of jurors, which 
is the right to challenge without assigning any cause. Inst. 4, 13, 9 Code, 
7, 50, 2; Id. 8, 36, 8; Dig. 5, 1, 70 et 73. 
    

137 Moby Thesaurus words for "peremptory":
      absolute, absolutist, absolutistic, admitting no exception,
      all-out, arbitrary, aristocratic, arrogant, authoritarian,
      authoritative, autocratic, bigoted, binding, bossy, categorical,
      certain, clear, commanding, compelling, complete, compulsory,
      conceited, conclusive, de rigueur, decided, decisive, decretal,
      decretive, decretory, definite, definitive, despotic, determinate,
      dictated, dictating, dictatorial, directive, doctrinaire,
      doctrinarian, dogmatic, dogmatizing, domineering, downright,
      emphatic, entailed, entire, explicit, express, feudal, final, firm,
      fixed, flat, flat-out, global, grinding, hard-and-fast,
      high-handed, imperative, imperial, imperious, implicit, imposed,
      inappealable, incontrovertible, indisputable, insistent,
      instructive, irrefutable, irrevocable, jussive, lordly,
      magisterial, magistral, mandated, mandating, mandatory, masterful,
      monocratic, must, necessary, obligating, obligatory, obstinate,
      opinionated, opinionative, opinioned, oppressive, oracular,
      out-and-out, outright, overbearing, overruling, perfect,
      pontifical, positive, positivistic, preceptive, preclusive,
      prescript, prescriptive, pronunciative, repressive, required,
      round, self-opinionated, self-opinioned, severe, straight,
      straight-out, strict, suppressive, total, tyrannical, tyrannous,
      ultimate, uncircumscribed, uncompromising, unconditional,
      unconditioned, undoubting, unequivocal, unhampered, unhesitating,
      unlimited, unmistakable, unmitigated, unqualified, unquestioning,
      unreserved, unrestricted, unwaivable, utter, whole, without appeal,
      without exception, without reserve