The sign says that it produced “extreme emaciation and a slow, agonising death.”
To the castaways every hour of that night is one of fear and agonising suspense.
It must be agonising to you, and there would be dishonour as well as pain to me, in witnessing that agony.
Ellen awaited his reply in a state of the most agonising suspense.
For this imperious Voice is agonising for something and the drum is the beat of its heart.
After holding the shrunken hand for a moment he was convulsed with an agonising sob, and had to turn away.
Latterly the wound had festered, and gave him agonising pain.
Then, rightly judging that it would be better to comply than keep me in a state of agonising suspense, she read it.
His desire of life tormented him in a paroxysm of agonising remorse.
In this agonising situation a horseman was seen approaching from the opposite side of the road.
1580s, "to torture," from Middle French agoniser or directly from Medieval Latin agonizare, from Greek agonizesthai "to contend in the struggle" (see agony). Intransitive sense of "to suffer physical pain" is recorded from 1660s. That of "to worry intensely" is from 1853. Related: Agonized; agonizing.