Related Clues:
- First letter of the Greek alphabet
- Display shock, in a way
- [Oh ... my ... Lord!]
- Shocked response
- Highest-ranking, in a way
- A letter opener
- Starter for Aristotle
- Sound scared
- Horrified sound
- Response to a shock
- Constellation's brightest
- Omega opposite
- Betray horror
- A as in Athens
- One might fight to the last one