Definitions

1. adjective

causing or tending to cause the most pain or distress.

“The hurtingest part of the movie was when the main character lost their loved one.”

2. superlative

more than hurtful; excessively painful.

“The hurtingest wound was the one caused by his own words.”

3. noun

the most painful or distressing experience.

“The hurtingest moment of her life was when she lost her job.”