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v. Present participle of tamper.

n. the act of altering something secretly or improperly

"Andromachi Koumbis, an elementary school teacher, said she showed up because she was unhappy with what she termed "tampering" with the Chicago teachers labor contract that will add hours to the school day."

tampered    tampering    tampers   

intervene    interpose    step in    interfere    manipulate   

tampered    tampering   

meddle    interpose   

camper    damper    hamper    pamper    scamper   

erase    obtrusion    side-effect    keypads    boy