Related Clues:
- Like a .250 batting average
- Just adequate
- Not great, not terrible
- Just 'eh'
- "Less than stellar"
- Nothing to get excited about
- <--- One starting a career, perhaps
- "Nothing to write home about"
- Comme ci, comme ça
- Only okay
- Word that can precede the starts of 18-, 20-, 53- and 58-Across
- Not great, but not awful either
- Neither terrible nor great
- Only OK
- Not great or awful