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Synonyms

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.

Lahore Qalandars were penalised for ball tampering during their Pakistan Super League defeat by Karachi Kings.

From BBC • Mar. 29, 2026

OpenClaw agents, while popular, pose risks like tampering with files or revealing sensitive user data, according to CrowdStrike CTO Elia Zaitsev.

From The Wall Street Journal • Mar. 16, 2026

The league’s so-called legal tampering period started Monday at 9 a.m.

From Los Angeles Times • Mar. 9, 2026

Even the notion that the bitcoin network is secure from tampering is being challenged, as some investors have warned that the rise of quantum computing could threaten the network’s cryptographic security.

From MarketWatch • Feb. 5, 2026

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

From "Into the Wild" by Jon Krakauer