untie
verb /ʌnˈtaɪ/
  /ʌnˈtaɪ/
Verb Forms
| present simple I / you / we / they untie |    /ʌnˈtaɪ/   /ʌnˈtaɪ/  | 
| he / she / it unties |    /ʌnˈtaɪz/   /ʌnˈtaɪz/  | 
| past simple untied |    /ʌnˈtaɪd/   /ʌnˈtaɪd/  | 
| past participle untied |    /ʌnˈtaɪd/   /ʌnˈtaɪd/  | 
| -ing form untying |    /ʌnˈtaɪɪŋ/   /ʌnˈtaɪɪŋ/  | 
- untie something to separate the pieces of string, rope, etc. that form a knot in something; to remove the string, rope, etc. from something that is tied
- to untie a knot
 - I quickly untied the package and peeped inside.
 - He untied the rope and pushed the boat into the water.
 - She untied his hands and let him go.
 
Oxford Collocations DictionaryUntie is used with these nouns as the object:- boat
 - cord
 - knot
 - …
 
Word OriginOld English untīgan (see un-, tie).