Dictionary
tie up
verb
Definition of TIE UP
transitive verb1
: to attach, fasten, or bind securely; also : to wrap up and fasten
2
a : to connect closely : join <tie up the loose ends> b : to cause to be linked so as to depend on or relate to something
3
a : to place or invest in such a manner as to make unavailable for other purposes <their money was tied up in stocks> b : to restrain from normal movement, operation, or progress <traffic was tied up for miles>
4
a : to keep busy <was tied up in conference all day> b : to preempt the use of <tied up the phone for an hour>
intransitive verb
1
: dock <the ferry ties up at the south slip>
2
: to assume a definite relationship <this ties up with what I told you before>
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First Known Use of TIE UP
1530
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