Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “underline”

See all translations

underline

verb [T] uk   /ˌʌn.dəˈlaɪn/ us    /-dɚ-/ ( also underscore)
B1 to draw a line under a word, especially in order to show its importance: All the technical words have been underlined in red.B2 to emphasize: She put the figures up on the board to underline the seriousness of the situation. To underline their disgust, the crowd started throwing bottles at the stage.
More examples
(Definition of underline from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of underline?
Add Cambridge dictionaries to your browser to your website

Definitions of “underline” in other dictionaries

Word of the Day

be as cold as ice

to be extremely cold

Word of the Day

Let’s celebrate! (words and phrases for parties)

by Kate Woodford,
December 17, 2014
​​​ With Christmas and New Year almost upon us, we thought it a good time to look at the language of parties and celebrations. First, let’s start with the word ‘party’ itself. To have or throw a party or, less commonly, to give a party is to arrange a party: We’re having a

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More