unobserved
- s not observed
- s not observed
managed to slip away unobserved
- Despite wire fences, roving military patrols and sand strips designed to pick up footprints, fedayeen have apparently managed to sneak unobserved over the border from Lebanon to .
- Not until he was unobserved did a researcher pull out of his briefcase a letter-sized sheet of sterile, moistened collecting paper and press it against a towel.
- By positioning themselves on the outskirts of the community, Koka's killers were able to lie in wait unobserved, and slip away without witnesses seeing their vehicle.