tamper
verbWord Originmid 16th cent. (in the sense ‘busy oneself to a particular end, scheme’): alteration of the verb temper.
Verb Forms
Phrasal Verbs| present simple I / you / we / they tamper | |
| he / she / it tampers | |
| past simple tampered | |
| past participle tampered | |
| -ing form tampering |