| Rating | Solver | Clue |
|---|---|---|
| UNDETECTED | Unobserved | |
| UNSEEN | Unobserved | |
| ESCAPE | To avoid the notice of; to pass unobserved by; to evade; as, the fact escaped our attention. | |
| STEAL | To accomplish in a concealed or unobserved manner; to try to carry out secretly; as, to steal a look. | |
| LAPSE | A gliding, slipping, or gradual falling; an unobserved or imperceptible progress or passing away,; -- restricted usually to immaterial things, or to figurative uses. | |
| SHADOW | To attend as closely as a shadow; to follow and watch closely, especially in a secret or unobserved manner; as, a detective shadows a criminal. | |