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1. Play around with or alter or falsify, usually secretively or dishonestly
   "Someone tampered with the documents on my desk"
   - fiddle, monkey
    
2. Intrude in other people's affairs or business; interfere unwantedly
   "Don't tamper in my affairs!"
   - meddle

1. A tool for tamping (e.g., for tamping tobacco into a pipe bowl or a charge into a drill hole etc.)
   - tamp, tamping bar

Derived forms: tampered, tampering, tampers

See also: tamp, tampering

Type of: interfere, interpose, intervene, manipulate, step in, tool

Encyclopedia: Tamper