definition of
tie up

[1] #1 tie up v. secure with or as if with ropes; "tie down the prisoners"; "tie up the old newspapers and bring them to the recycling shed". wn

[2] #2 tie up v. invest so as to make unavailable for other purposes; "All my money is tied up in long-term investments". wn

[3] #3 tie up v. restrain from moving or operating normally; "Traffic is tied up for miles around the bridge where the accident occurred". wn

[4] #4 tie up v. secure in or as if in a berth or dock; "tie up the boat". wn

[5] #5 tie up v. finish the last row. wn