"tampering" in the noun sense
1. meddling, tampering
the act of altering something secretly or improperly
"tampering" in the verb sense
1. tamper, fiddle, monkey
play around with or alter or falsify, usually secretively or dishonestly
"Someone tampered with the documents on my desk"
"The reporter fiddle with the facts"
2. meddle, tamper
intrude in other people's affairs or business interfere unwantedly
"Don't meddle in my affairs!"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License