funambulatory

adjective3

1. •
   Performing in the manner of a tightrope walker.

   • In the Floralia, or Ludi Florales, held under Galba, there were funambulatory Elephants, as we are inform’d by Suetonius. — 1728
2. •
   Pertaining to tightrope walking
3. •
   Narrow, like a tightrope.

   • Tread softly and circumspectly in this funambulatory track and narrow path of goodness […] — 1716