underline Meaning, Definition & Usage

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

WordNet


Un`der*line" transitive verb
Definitions
  1. To mark a line below, as words; to underscore.
  2. To influence secretly. Obs. Sir H. Wotton.

Webster 1913