tie up

phrasal verb·1 sense·particle up

Meanings

1

Fasten with rope or string so something cannot move

Why “up”? Filling to the top. Reaching the upper limit means finishing.

They tied up the boat at the dock.
They fastened the boat with rope at the dock.
She tied up the dog outside the shop.
She fastened the dog with a lead outside the shop.

Don't confuse with

tie uptie in

Tie up means fasten something so it cannot move. Tie in means connect with something else.

Test yourself

They tied up the boat at the dock. What does it mean?

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