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underline - definition and synonyms


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verb [transitive] underline pronunciation in American English /ˌʌndərˈlaɪn/
Word Forms
present tense
present participleunderlining
past tenseunderlined
past participleunderlined
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  1. 2
    to show clearly that something is important or true
    The upsurge in violence merely underlines the need for continuing peace talks.
    Recent job losses underline the continued weakness of the economy.
    1. a.
      to emphasize something or state that it is important
      Both leaders underlined their commitment to making the agreement work.
      underline that: Doyle underlined that the students would not welcome these changes.


a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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a stupid person

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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