Synonyms of tied up

Verb

1. tie down, tie up, bind, truss, restrain, confine, hold

usage: secure with or as if with ropes; "tie down the prisoners"; "tie up the old newspapers and bring them to the recycling shed"

2. tie up, invest, put, commit, place

usage: invest so as to make unavailable for other purposes; "All my money is tied up in long-term investments"

3. tie up, obstruct, obturate, impede, occlude, jam, block, close up

usage: restrain from moving or operating normally; "Traffic is tied up for miles around the bridge where the accident occurred"

4. moor, berth, tie up, fasten, fix, secure

usage: secure in or as if in a berth or dock; "tie up the boat"

5. tie up, bind off, tie, bind

usage: finish the last row

Adjective

1. tied up(predicate), busy (vs. idle)

usage: kept occupied or engaged; "she's tied up at the moment and can't see you"; "the phone was tied up for almost an hour"