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untie - definition and synonyms


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verb [transitive] untie pronunciation in American English /ʌnˈtaɪ/
Word Forms
present tense
present participleuntying
past tenseuntied
past participleuntied
  1. to take the knot out of a piece of rope or string that fastens something
    He learnt to tie and untie his shoes.
    Can you untie the knots in this rope?



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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