Related Clues:
- Nervous with others
- Unpredictably excitable, horses say
- Once bitten, twice ___
- Unlikely to speak up
- Retreating
- Excitable
- Reserved for the cast
- Recoil when you throw something at
- Short of retiring
- Chary
- Scientist's first equipment shattered this, being unsteady
- Mum, they lost the toss
- Apprehensive cast
- Playful send-up of this doctor
- Coming up short