underscore Meaning, Definition & Usage

  1. noun a line drawn underneath (especially under written matter)
    underline.
  2. verb give extra weight to (a communication)
    emphasise; underline; emphasize.
    • Her gesture emphasized her words
  3. verb draw a line or lines underneath to call attention to
    underline.

WordNet


Un`der*score" transitive verb
Definitions
  1. To draw a mark or line under; to underline. J. Tucker.

Webster 1913