UNDERLINE
underscore, underline
(noun) a line drawn underneath (especially under written matter)
underline, underscore
(verb) draw a line or lines underneath to call attention to
underscore, underline, emphasize, emphasise
(verb) give extra weight to (a communication); “Her gesture emphasized her words”
Source: WordNet® 3.1
Etymology
Noun
underline (plural underlines)
A line placed underneath a piece of text in order to provide emphasis or to indicate that it should be viewed in italics or (in electronic documents) that it acts as a hyperlink.
The character _.
(dated) An announcement of a theatrical performance to follow, placed in an advertisement for the current one.
Verb
underline (third-person singular simple present underlines, present participle underlining, simple past and past participle underlined)
To draw a line underneath something, especially to add emphasis; to underscore
(figuratively) To emphasise or stress something
(figurative, obsolete) To influence secretly.
Adjective
underline (not comparable)
Passing under a railway line.
Anagrams
• unlinered
Source: Wiktionary
Un`der*line", v. t.
1. To mark a line below, as words; to underscore.
2. To influence secretly. [Obs.] Sir H. Wotton.
Source: Webster’s Unabridged Dictionary 1913 Edition