[1] : The Collaborative International Dictionary of English v.0.48

dangerous \dan"gerous\, a. oe., haughty, difficult, dangerous,
   fr. of. dangereus, f. dangereux. see danger.
   1. attended or beset with danger; full of risk; perilous;
      hazardous; unsafe.
      1913 webster

            our troops set forth to-morrow; stay with us;
            the ways are dangerous.               --shak.
      1913 webster

            it is dangerous to assert a negative. --macaulay.
      1913 webster

   2. causing danger; ready to do harm or injury.
      1913 webster

            if they incline to think you dangerous
            to less than gods.                    --milton.
      1913 webster

   3. in a condition of danger, as from illness; threatened with
      death. colloq. --forby. bartlett.
      1913 webster

   4. hard to suit; difficult to please. obs.
      1913 webster

            my wages ben full strait, and eke full small;
            my lord to me is hard and dangerous.  --chaucer.
      1913 webster

   5. reserved; not affable. obs. "of his speech dangerous."
      --chaucer. -- dan"gerously, adv. --
      dan"gerousness, n.
      1913 webster
see also:
danger dan"gerously dan"gerousness 

[2] : WordNet (r) 2.0

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: 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: grave, grievous, serious,
         severe, life-threatening
see also:
unsafe safe grave grievous serious severe 
life-threatening 

[3] : Moby Thesaurus II by Grady Ward, 1.0

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

Dangerous >> D Words
Dangerous, definition of term: Dangerous
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