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underline

A1
Uncommon

Pronunciation

UK

  • /ˈʌndəˌlaɪn/not-comparableadjective

US

  • /ˈəndərˌlaɪn/

Meanings

Verb

  1. to draw a line beneath text to mark or emphasize it

  2. to emphasize or make something especially clear

Noun

  1. a line beneath text used for emphasis or formatting

Beyond the definition

Imagine you're reviewing an important document and want to draw the reader's eye to something crucial—that's when you underline it! To underline means to draw a line beneath words or phrases, usually to give them emphasis. It's like whispering "Pay attention here!" with your pen.

You might underline key terms in your notes while studying, or a teacher might ask you to underline the main idea in a passage. Sometimes, underlining isn't literal; you can underline a point by repeating it or explaining it more clearly, making sure everyone understands its importance. Think of it as giving something extra weight and attention.

Examples

  1. 1

    Classroom

    The teacher asked us to underline the new words in blue.

  2. 2

    Forms

    Please underline the date on the form before you hand it in.

  3. 3

    Textbook formatting

    In the textbook, key terms are underlined to make them easier to find.

  4. 4

    Safety report

    Her report underlines the need for better safety training.

    • Patternunderline the need for + noun/action

      show that it is especially important

More examples
  1. 5

    Emotional evidence

    His silence only underlined how upset he was.

    • Patternunderline how + clause

      make something even clearer

  2. 6

    Research results

    These results underline the fact that small changes can make a big difference.

    • Patternunderline the fact that + clause

      strongly emphasize that it is true

See also

Similar

Shades of meaning

Contrast

Used with (collocations)

  • underline a word
  • underline key points
  • underline in red

Word family

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Forms and spellings

4 forms open this card.

Main spelling

  • underlinenounverb

Forms

  • underlinedpast tenseverbnoun
  • underlinespluralnounverb
  • underlining-ing formverbnoun