Dangerous

dangerous
    adj 1: involving or causing danger or risk; liable to hurt or
           harm; "a dangerous criminal"; "a dangerous bridge";
           "unemployment reached dangerous proportions" [syn:
           {dangerous}, {unsafe}] [ant: {safe}]
    2: causing fear or anxiety by threatening great harm; "a
       dangerous operation"; "a grave situation"; "a grave illness";
       "grievous bodily harm"; "a serious wound"; "a serious turn of
       events"; "a severe case of pneumonia"; "a life-threatening
       disease" [syn: {dangerous}, {grave}, {grievous}, {serious},
       {severe}, {life-threatening}]
    

Dangerous \Dan"ger*ous\, a. [OE., haughty, difficult, dangerous,
   fr. OF. dangereus, F. dangereux. See {Danger}.]
   1. Attended or beset with danger; full of risk; perilous;
      hazardous; unsafe.
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            Our troops set forth to-morrow; stay with us;
            The ways are dangerous.               --Shak.
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            It is dangerous to assert a negative. --Macaulay.
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   2. Causing danger; ready to do harm or injury.
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            If they incline to think you dangerous
            To less than gods.                    --Milton.
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   3. In a condition of danger, as from illness; threatened with
      death. [Colloq.] --Forby. Bartlett.
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   4. Hard to suit; difficult to please. [Obs.]
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            My wages ben full strait, and eke full small;
            My lord to me is hard and dangerous.  --Chaucer.
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   5. Reserved; not affable. [Obs.] "Of his speech dangerous."
      --Chaucer. -- {Dan"ger*ous*ly}, adv. --
      {Dan"ger*ous*ness}, n.
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57 Moby Thesaurus words for "dangerous":
      alarming, bad, chance, chancy, critical, dangersome, desultory,
      explosive, fell, fraught with danger, grievous, hairy, haphazard,
      harmful, hazardous, hit-or-miss, iffy, infirm, insecure,
      insubstantial, jeopardous, major, menacing, parlous, periculous,
      perilous, precarious, provisional, random, rickety, risky, serious,
      shaky, shifting, shifty, slippery, temporary, tentative,
      threatening, ticklish, treacherous, ugly, uncertain, undependable,
      unfaithworthy, unhealthy, unreliable, unsafe, unsolid, unsound,
      unstable, unsteadfast, unsteady, unsubstantial, unsure,
      untrustworthy, wicked