English

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

 

tough

 verb
verb
BrE BrE//tʌf//
 
; NAmE NAmE//tʌf//
 
Verb Forms present simple I / you / we / they tough
BrE BrE//tʌf//
 
; NAmE NAmE//tʌf//
 
he / she / it toughs
BrE BrE//tʌfs//
 
; NAmE NAmE//tʌfs//
 
past simple toughed
BrE BrE//tʌft//
 
; NAmE NAmE//tʌft//
 
past participle toughed
BrE BrE//tʌft//
 
; NAmE NAmE//tʌft//
 
-ing form toughing
BrE BrE//ˈtʌfɪŋ//
 
; NAmE NAmE//ˈtʌfɪŋ//
 
 
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Word Origin Old English tōh, of Germanic origin; related to Dutch taai and German zäh. Phrasal Verbstough somethingout
See the Oxford Advanced American Dictionary entry: tough