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

piglet

a baby pig

Word of the Day

I won’t tolerate it! Replacing formal words with phrasal verbs.

by Liz Walter,
April 01, 2015
When you are using a language, it is important to understand if a word is formal or informal, so that you can use it in an appropriate way. You might hear people saying dosh for money, or spud for potato, but they wouldn’t write those words in a formal essay. Similarly, a

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More