lose sight of

1. 1.

   be no longer able to see

   “We lost sight of the tower as pulled out of the harbor”

Questions about lose sight of

What does lose sight of mean?

lose sight of means "be no longer able to see".

Is lose sight of a common word?

lose sight of is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.