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tie off

B2 neutral separable transitive
In simple words

To put a knot at the end of something to stop it from coming loose or to close it off.

Literal meaning: To fasten the end of something by tying it — transparent.

Meanings

1 B2 neutral

To close or secure the end of something by tying a knot, especially thread, sutures, or a medical tube.

"The surgeon carefully tied off the blood vessel before closing the wound."

Grammar: separable
2 B1 neutral

To finish a knitting, sewing, or craft project by securing the final stitch or thread.

"Once you've finished the last row, tie off the yarn and weave in the loose end."

Grammar: separable
Usage notes

Commonly used in medical contexts (surgery, wound care), sewing, and crafts. In medicine, it refers to ligating a blood vessel or suture. In sewing, it means securing the final stitch. Can also be used informally to mean finishing or wrapping up something.

Commonly used with

stitch suture thread vessel cord rope

Forms

Base
tie off
I/you/we/they
3rd person
ties off
he/she/it
Past simple
tied off
yesterday
Past participle
tied off
have + pp
-ing form
tiing off
continuous

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Synonyms

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