booby trap

1. An explosive mine hidden underground;
   Explodes when stepped on or driven over (synset 103644989)
   is a type of: mine - explosive device that explodes on contact; designed to destroy vehicles or ships or to kill or maim personnel
   subtypes:

   • bouncing betty - an antipersonnel land mine
   • claymore, claymore mine - an antipersonnel land mine whose blast is aimed at the oncoming enemy
   same as: ground-emplaced mine, land mine
2. An unforeseen or unexpected or surprising difficulty (synset 105696795)
   is a type of: difficulty - a factor causing trouble in achieving a positive result or tending to produce a negative result
   same as: pitfall

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