English

Definition of lip-sync verb from the Oxford Advanced Learner's Dictionary

 

lip-sync

 verb
(also lip-synch) verb
BrE BrE//ˈlɪp sɪŋk//
 
; NAmE NAmE//ˈlɪp sɪŋk//
 
[intransitive, transitive]Verb Forms present simple I / you / we / they lip-sync
BrE BrE//ˈlɪp sɪŋk//
 
; NAmE NAmE//ˈlɪp sɪŋk//
 
he / she / it lip-syncs
BrE BrE//ˈlɪp sɪŋks//
 
; NAmE NAmE//ˈlɪp sɪŋks//
 
past simple lip-synced
BrE BrE//ˈlɪp sɪŋkt//
 
; NAmE NAmE//ˈlɪp sɪŋkt//
 
past participle lip-synced
BrE BrE//ˈlɪp sɪŋkt//
 
; NAmE NAmE//ˈlɪp sɪŋkt//
 
-ing form lip-syncing
BrE BrE//ˈlɪp sɪŋkɪŋ//
 
; NAmE NAmE//ˈlɪp sɪŋkɪŋ//
 
 
jump to other results
to move your mouth, without speaking or singing, so that its movements match the sound on a recorded song, etc. lip-sync (to something) She lip-synced to a Beatles song. lip-sync something He lip-synced ‘Return to Sender’.
See the Oxford Advanced American Dictionary entry: lip-sync