D defs.my
Entry 1 sense Webster, 1913

Insufferably

· In·suf·fer·a·bly · IPA
01 adv. In a manner or to a degree beyond endurance; intolerably; as, a blaze insufferably bright; a person insufferably proud.
  1. 1.
    In a manner or to a degree beyond endurance; intolerably; as, a blaze insufferably bright; a person insufferably proud.