drop down

1. Fall or descend to a lower place or level (synset 201989937)
   "He sank to his knees"
   is a type of: change posture - undergo a change in bodily posture
   subtypes:

   • drop open, fall open - open involuntarily
   • droop, flag, sag, swag - droop, sink, or settle from or as if from pressure or loss of tautness
   • sag, sag down - cause to sag
   same as: drop, sink
   verb group:

   • fall off, sink, slump - fall heavily or suddenly; decline markedly
   • drop - let fall to the ground

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