Related Clues:
- Definitely not new
- Requiring many candles on a birthday cake
- It's unusual not to be well done
- Grate, with 'get,' or what this puzzle's theme answers get
- With 21-Across, senescence
- (Of meat) lightly cooked
- Like most carbon-dating specimens
- Like endangered species
- Barely cooked, as steak
- Steak option
- Roast beef request
- 'Still mooing,' as burgers go
- Very thinly distributed
- From long ago
- Having had many birthdays