noun, verb ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   In knot theory, a loop that is not knotted.

Verb

1. 1
   To unfasten (a knot). transitive
2. 2
   become or cause to become undone by separating the fibers or threads of wordnet

Synonyms

All synonyms

break loosebreak outclarifyclearclear upcut loose

Antonyms

All antonyms

knot

Etymology

From un- + knot.

Related phrases

knot theory

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.