out of one’s sight—no longer visible; unseen:
- He was already out of my sight, but only a couple hundred feet ahead.
out of sight—
1. = out of one’s sight:
- They still stood there upon the rocks, waving till the ship was out of sight.
2. (coll., of prices) exorbitant:
- People found that home prices were out of sight even before they entered the housing market.
3. (sl.) used as a generalized expression of admiration:
- For an official person he’s absolutely out of sight.