1. [ verb ] secure with or as if with ropes
Synonyms: bind truss tie_down

"tie down the prisoners" "tie up the old newspapers and bring them to the recycling shed"

Related terms: restrain chain_up hog-tie faggot faggot fasten
2. [ verb ] (stock exchange) invest so as to make unavailable for other purposes

"All my money is tied up in long-term investments"

Related terms: invest
3. [ verb ] restrain from moving or operating normally

"Traffic is tied up for miles around the bridge where the accident occurred"

Related terms: obstruct stand
4. [ verb ] (nautical) secure in or as if in a berth or dock
Synonyms: berth moor

"tie up the boat"

Related terms: fasten wharf mooring
5. [ verb ] in knitting: finish the last row
Synonyms: bind_off
Related terms: tie knit
Similar spelling:   tie-up