Please wait. Loading.
P/SAT / ACT Program
Login
Password
750 words
P/SAT / ACT Program

insuperable

[in-soo-per-uh-buhl] [ɪnˈsupərəbəl]
adjective
  • impossible to overcome; insurmountable
  • "My need to be assured that you would know the truth was insuperable. I could not overcome it."