Collins Concise English Dictionary © HarperCollins Publishers::

tie up vb (adverb)
  1. (transitive) to attach or bind securely with or as if with string, rope, etc
  2. to moor (a vessel)
  3. (tr; often passive) to engage the attentions of
  4. (tr; often passive) to conclude (the organization of something)
  5. to come or bring to a complete standstill
  6. (transitive) to invest or commit (funds, etc) and so make unavailable for other uses
  7. (transitive) to subject (property) to conditions that prevent sale, alienation, or other action
n tie-up
  1. a link or connection
  2. chiefly US Canadian a standstill
  3. chiefly US Canadian
    an informal term for traffic jam



'tie up' also found in these entries:
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