verb (used with object), ob·served, ob·serv·ing.
verb (used without object), ob·served, ob·serv·ing.
- observation car,
- observation post,
Origin of observe
Examples from the Web for unobserved
He evidently did not know that he was seen, but was watching the ladies, thinking that he himself was unobserved.The American Baron|James De Mille
I knew where the post-office was, and slipped out in the morning unobserved and dropped my letter in the box.The Queen of Hearts|Wilkie Collins
There he would sit and listen at times, unobserved, to the quite remarkable conversation of some young fellows.The Goose Man|Jacob Wassermann
The two men who were sitting there, and by whom I was as yet unobserved, were Delora and the Chinese ambassador!The Lost Ambassador|E. Phillips Oppenheim
There is not the smallest possibility that we should pass them unobserved.
Word Origin for observe
late 14c., "to hold to" (a manner of life or course of conduct), from Old French observer, osserver "to observe, watch over, follow" (10c.), from Latin observare "watch over, note, heed, look to, attend to, guard, regard, comply with," from ob "over" (see ob-) + servare "to watch, keep safe," from PIE root *ser- "to protect." Meaning "to attend to in practice, to keep, follow" is attested from late 14c. Sense of "watch, perceive, notice" is 1560s, via notion of "see and note omens." Meaning "to say by way of remark" is from c.1600. Related: Observed; observing.