line of sight

1. 1.

   an imaginary straight line along which an observer looks

   Synonymsline of vision

   Broaderline

Questions about line of sight

What does line of sight mean?

line of sight means "an imaginary straight line along which an observer looks".

What is another word for line of sight?

Close synonyms include line of vision. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is line of sight a common word?

line of sight 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.