Tam·per v. i. [imp. & p. p. Tampered p. pr. & vb. n. Tampering.]
1. To meddle; to be busy; to try little experiments; as, to tamper with a disease.
'T is dangerous tampering with a muse. --Roscommon.
2. To meddle so as to alter, injure, or vitiate a thing.
3. To deal unfairly; to practice secretly; to use bribery.
Others tampered
For Fleetwood, Desborough, and Lambert. --Hudibras.
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tampering
n : the act of altering something secretly or improperly [syn: meddling]