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up - definition and synonyms


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verb [transitive] informal up pronunciation in British English /ʌp/
Word Forms
present tense
present participleupping
past tenseupped
past participleupped
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  1. to increase an amount, or to raise something to a higher level
    They’ve upped taxi fares because of the rise in fuel prices.
    up the ante (=raise the level of what is expected, offered, or risked in a situation): Protesters have upped the ante by demanding that Wright resign.



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

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