Related Clues:
- Open a smidgen
- Not fully closed, as 1-Across
- Cracked a smidgen
- Wilco "She's ___"
- Dinosaur Jr. "In ___"
- A-ha "Door ___"
- Shrewd ... and a phonetic hint to this puzzle's four longest answers
- Cracked open?
- Secret, hidden
- Dropkick Murphys "Caught in ___"
- Like cloak-and-dagger operations
- Just about to answer, then clash
- Cracked, in a way
- Brand New "In ___"
- Just a bit open