misnegotiate

verb3

1. •
   To make a mistake when trying to make one's way over (difficult terrain); to misstep or stumble when trying to avoid (obstacles).

   • If they missed seeing one, or if they misnegotiated their path around another, we would be bounced roughly into the air. — 2004
2. •
   To cope with or handle badly.

   • Aspects of the gross or gross-reflecting state itself become compromised, misnegotiated, misnavigated, and misdigested, hobbling the state in various ways. — 2017
3. •
   To argue or represent one's position badly when coming to an agreement.

   • He feels straight fees can be so seriously misnegotiated that profitability does not necessarily follow. — 1980