Noun tying up has 1 sense
  1. docking, moorage, tying up - the act of securing an arriving vessel with ropes
    --1 is a kind of arrival
,Verb tie up has 5 senses
  1. tie down, tie up, bind, truss - secure with or as if with ropes; "tie down the prisoners"; "tie up the old newspapes and bring them to the recycling shed"
    --1 is one way to restrain, confine, hold
    Sample sentence:
    They want to tie up the prisoners
  2. tie up - invest so as to make unavailable for other purposes; "All my money is tied up in long-term investments"
    --2 is one way to
    invest, put, commit, place
    Sample sentence:
    Somebody ----s something
  3. tie up - restrain from moving or operating normally; "Traffic is tied up for miles around the bridge where the accident occurred"
    --3 is one way to
    obstruct, obturate, impede, occlude, jam, block, close up
    Derived form: noun tie-up2
    Sample sentences:
    Somebody ----s something
    Something ----s something
  4. moor, berth, tie up - secure in or as if in a berth or dock; "tie up the boat"
    --4 is one way to fasten, fix, secure
    Sample sentence:
    Somebody ----s something
  5. tie up, bind off - finish the last row
    --5 is one way to tie, bind
    Sample sentence:
    Somebody ----s something