Words to Describe a Feeling of Failure:
General:
* Disheartened
* Disappointed
* Defeated
* Despondent
* Downcast
* Frustrated
* Hopeless
* Incompetent
* Worthless
* Empty
* Broken
* Lost
More specific:
* Ashamed (feeling guilty or embarrassed)
* Humiliated (feeling deeply embarrassed)
* Crushed (feeling completely defeated)
* Devastated (feeling deeply upset and shocked)
* Betrayed (feeling tricked or let down)
* Resentful (feeling bitter or angry)
* Angry (feeling frustrated and upset)
* Vengeful (feeling a desire to get revenge)
Figurative:
* Shattered
* Bleeding
* Drowning
* Falling apart
* Burning
* Frozen
For specific contexts:
* Discouraged (for a setback)
* Overwhelmed (for feeling unable to cope)
* Exhausted (for feeling drained and defeated)
* Lost (for feeling directionless or confused)
Positive spins:
* Determined (to try again)
* Motivated (to improve)
* Resilient (to bounce back)
The best words to use will depend on the specific context and the intensity of the feeling of failure. It's important to choose words that accurately reflect the individual's experience.