English

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

 

tamper

 verb
verb
BrE BrE//ˈtæmpə(r)//
 
; NAmE NAmE//ˈtæmpər//
 
Verb Forms present simple I / you / we / they tamper
BrE BrE//ˈtæmpə(r)//
 
; NAmE NAmE//ˈtæmpər//
 
he / she / it tampers
BrE BrE//ˈtæmpəz//
 
; NAmE NAmE//ˈtæmpərz//
 
past simple tampered
BrE BrE//ˈtæmpəd//
 
; NAmE NAmE//ˈtæmpərd//
 
past participle tampered
BrE BrE//ˈtæmpəd//
 
; NAmE NAmE//ˈtæmpərd//
 
-ing form tampering
BrE BrE//ˈtæmpərɪŋ//
 
; NAmE NAmE//ˈtæmpərɪŋ//
 
 
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Word Origin mid 16th cent. (in the sense ‘busy oneself to a particular end, scheme’): alteration of the verb temper. Phrasal Verbstamper with something
See the Oxford Advanced American Dictionary entry: tamper