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tampering

American  
[tam-per-ing] / ˈtæm pər ɪŋ /

noun

  1. the act or process of changing, damaging, or interfering with something, especially with intent to falsify, cheat, or defraud.

    Data transmitted over an SSL connection cannot be forged without the two parties becoming immediately aware of the tampering.

    In a clear case of tampering, players were caught using sandpaper to alter the ball.

  2. the act or process of dealing secretively, improperly, or underhandedly with someone.

    I had a duty to report the witness tampering to the judge.


Etymology

Origin of tampering

tamper 1 ( def. ) + -ing 1 ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

On Aug. 18, the day after prosecutors officially filed their case in court, Paul Robinson, who faces charges of felony tampering and concealing evidence, made a plea on Facebook.

From The Wall Street Journal ● Sep. 28, 2026

In 2006, a Test between England and Pakistan at The Oval was abandoned after the visitors were accused of ball tampering.

From BBC ● Aug. 28, 2026

Faced with that evidence, Fraser pleaded no contest to the tampering charge and was sentenced to one year in the Baker County Jail.

From Slate ● Aug. 11, 2026

Stephen Cloobeck — a one-time California gubernatorial candidate ensconced in Democratic political circles — pleaded not guilty to witness tampering charges Friday related to a burglary case against his former paramour, OnlyFans model Adva Lavie.

From Los Angeles Times ● Aug. 7, 2026

His personal leisure is aimed away from idle amusement or detached tampering with nature’s processes.

From "Into the Wild" by Jon Krakauer

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