agonizingly

adv

1. In an agonizing manner; in a way that causes agony.

   “The hour I waited for the pain medication to take effect dragged on agonizingly.”

   “Friday afternoons always seem to be agonizingly prolonged.”

   “Leisurely the long hours ticked into nothingness, yet there was no sound from him. Would he go in the night, as he did before from Stein's, without a word? Ursula's heart quickened agonizingly, though she lay still, tingling with the thought.”