1. Not supervised or under constant observation
   "the school maintains unsupervised study halls during free periods"; "reliable workers are generally unsupervised"

See also: unattended

Antonym: supervised

• sieve tube
• sievert
• Sif
• sift
• sifter
• sifting
• sigeh
• sigh
• sight
• sight bill
• sight draft
• sight gag
• sight setting
• sight unseen
• sighted
• sightedness
• sighting
• sightless
• sightlessness
• sightly
• sightread
• sightreader
• sights
• sightsee
• sightseeing