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Definitions

tamper

[tam-per] / ˈtæm pər /
VERB
interfere, alter
Synonyms
STRONGEST
meddle monkey with tinker
STRONG
busybody change cook cut damage destroy diversify doctor fool interlope interpose intrude irrigate manipulate plant spike vary water
WEAK
butt in fiddle with horn in mess around with monkey around muck about phony up poke nose into
Antonyms
STRONG
improve leave alone remain repair stay
VERB
bribe
Synonyms
STRONG
buy corrupt fix have influence lubricate manipulate reach rig square
WEAK
buy off get to
Antonyms
WEAK
leave alone

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.

When agents go rogue, they can tamper with or delete valuable files.

From The Wall Street Journal • Mar. 16, 2026

There’s no worrying about that now that teams can tamper with the balls again.

From The Wall Street Journal • Nov. 6, 2025

"We ask visitors not to tamper with any art on display," they added.

From BBC • Jun. 4, 2025

Both antibiotics tamper with bacteria's ability to make new proteins by specifically targeting their ribosomes.

From Science Daily • Nov. 29, 2024

These extraordinary capacities of life have been ignored by the practitioners of chemical control who have brought to their task no “high-minded orientation,” no humility before the vast forces with which they tamper.

From "Silent Spring" by Rachel Carson