Definition of unloose verb from the Oxford Advanced Learner's Dictionary

 

unloose

 verb
verb
BrE BrE//ˌʌnˈluːs//
 
; NAmE NAmE//ˌʌnˈluːs//
 
(also unloosen
BrE BrE//ʌnˈluːsn//
 
; NAmE NAmE//ʌnˈluːsn//
 
)
Verb Forms present simple I / you / we / they unloose
BrE BrE//ˌʌnˈluːs//
 
; NAmE NAmE//ˌʌnˈluːs//
 
he / she / it unlooses
BrE BrE//ˌʌnˈluːsɪz//
 
; NAmE NAmE//ˌʌnˈluːsɪz//
 
past simple unloosed
BrE BrE//ˌʌnˈluːst//
 
; NAmE NAmE//ˌʌnˈluːst//
 
past participle unloosed
BrE BrE//ˌʌnˈluːst//
 
; NAmE NAmE//ˌʌnˈluːst//
 
-ing form unloosing
BrE BrE//ˌʌnˈluːsɪŋ//
 
; NAmE NAmE//ˌʌnˈluːsɪŋ//
 
 
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unloose something (old-fashioned or formal) to make something loose He unloosed his tie.
See the Oxford Advanced American Dictionary entry: unloose