to meddle, especially for the purpose of altering, damaging, or misusing (usually followed by with): Someone has been tampering with the lock.
to make changes in something, especially in order to falsify (usually followed by with): to tamper with official records.
to engage secretly or improperly in something.
to engage in underhand or corrupt dealings, especially in order to influence improperly (usually followed by with): Any lawyer who tries to tamper with a jury should be disbarred.
- tam·per·er, noun
- un·tam·pered, adjective
How to use tamper in a sentence
They worked with the farmer and he put QR-coded wristbands on each of the chickens, so that they could be surveilled by cameras to prove that they were truly free-range and never tampered with.“He put QR-coded wristbands on each of the chickens” | Katie McLean | December 18, 2020 | MIT Technology Review
The investigators determined that 145 cases had been tampered with after RUSADA had been reinstated and ordered to turn over the data.Russia remains barred from Tokyo Olympics after court reduces doping ban to two years | Rick Maese | December 17, 2020 | Washington Post
Hijazi said his team compared the available download with security alerts identifying the tampered update, and it’s an exact match.Hackers used a little-known IT vendor to attack U.S. agencies | Verne Kopytoff | December 15, 2020 | Fortune
He brought a discredited witness who accused them of vote tampering instead.Rudy Giuliani’s bizarre legal strategy, in two clips | Jerusalem Demsas | December 3, 2020 | Vox
No top contender had a worse week than the Bucks, whose plans to assemble perhaps the league’s best starting five took a major hit when a sign-and-trade with the Sacramento Kings for Bogdan Bogdanovic fell apart amid accusations of tampering.NBA free agency updates: Lakers get tougher while Jayson Tatum, Donovan Mitchell ink max extensions | Ben Golliver | November 23, 2020 | Washington Post
But the walls were solid and untampered with, and the nails in the floor had clearly not been disturbed for many years.In Friendship's Guise | Wm. Murray Graydon
Barclay received the second letter untampered with, and the rest is plain enough.The Boy Ranchers of Puget Sound | Harold Bindloss
Apparently it had been untampered with, for the key worked perfectly.The Voice on the Wire | Eustace Hale Ball
Not a single bar had been wretched; the locks, shutters, and bolts were all untampered with.Scenes from a Courtesan's Life | Honore de Balzac
British Dictionary definitions for tamper (1 of 2)
(usually foll by with) to interfere or meddle
to use corrupt practices such as bribery or blackmail
(usually foll by with) to attempt to influence or corrupt, esp by bribery: to tamper with the jury
- tamperer, noun
British Dictionary definitions for tamper (2 of 2)
a person or thing that tamps, esp an instrument for packing down tobacco in a pipe
a casing around the core of a nuclear weapon to increase its efficiency by reflecting neutrons and delaying the expansion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012