tamper

verb
tam·​per | \ ˈtam-pər How to pronounce tamper (audio) \
tampered; tampering\ ˈtam-​p(ə-​)riŋ How to pronounce tampering (audio) \

Definition of tamper

intransitive verb

1a : to interfere so as to weaken or change for the worse used with with did not want to tamper with tradition
b : to try foolish or dangerous experiments used with with
c : to render something harmful or dangerous by altering its structure or composition was charged with tampering with consumer products
2a : to carry on underhand or improper negotiations (as by bribery)
b : to inflict physical harm, threats, intimidation, or corrupt persuasion with the goal of influencing or preventing a witness's testimony : to engage in witness tampering used with with These alleged efforts were the basis for Mueller's accusation that Manafort was tampering with a witness, attempting to coach testimony, which would have violated the terms of his bail.— Franklin Foer

Keep scrolling for more

Other Words from tamper

tamperer \ ˈtam-​pər-​ər How to pronounce tamperer (audio) \ noun
tamperproof \ ˈtam-​pər-​ˌprüf How to pronounce tamperproof (audio) \ adjective

Examples of tamper in a Sentence

Recent Examples on the Web

Prosecutors working for special counsel Robert Mueller are accusing former Trump campaign chairman Paul Manafort of trying to tamper with witnesses in his ongoing criminal cases. Chad Day, chicagotribune.com, "Mueller's team accuses Manafort of witness tampering," 5 June 2018 State elections officials suspect Dowless of tampering with or even discarding mail-in ballots last year. Emery P. Dalesio, The Seattle Times, "Candidate says operative now under investigation got results," 11 Feb. 2019 Watts, 33, faces three first-degree murder charges, two counts of murdering a child under 12, one count of unlawful termination of a pregnancy and three counts of tampering with a deceased human body. Kathleen Foody, Fox News, "Man admits wife's murder, blames her for daughters' deaths," 21 Aug. 2018 When registering an account, users must provide their phone numbers and an eight-digit pin code, adding extra precautions like two-factor authentication in order to prevent accounts from being hacked or votes being tampered with. Makena Kelly, The Verge, "Nearly 150 West Virginians voted with a mobile blockchain app," 10 Nov. 2018 Ahead of his trial, Manafort has been held in solitary confinement after his house arrest was revoked for allegedly tampering with witnesses in June. Kaitlyn Schallhorn, Fox News, "Paul Manafort's trial to test Mueller, Trump: What to know about the case," 31 July 2018 The team was then fined $50,000 in February for tampering after Johnson made comments complimentary of Giannis Antetokounmpo in an ESPN story. Charlotte Carroll, SI.com, "Report: Lakers Hold Meeting to Warn Staff About Tampering," 20 June 2018 As the campaigns resumed on Tuesday, President Muhammadu Buhari, the former military junta leader who returned to power in 2015 elections, issued a warning that Nigeria’s army would kill anyone deemed to be tampering with the ballots. Joe Parkinson, WSJ, "Nigeria to Vote After Delay Brings New Conflict," 21 Feb. 2019 But those results have been marred by explosive allegations that an operative working for the Harris campaign collected, tampered with or even destroyed absentee ballots. Dylan Scott, Vox, "More evidence piles up in North Carolina election fraud scandal," 26 Dec. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tamper.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of tamper

1567, in the meaning defined at sense 2

History and Etymology for tamper

probably from Middle French temprer to temper, mix, meddle — more at temper entry 2

Keep scrolling for more

Learn More about tamper

Dictionary Entries near tamper

Tampa

tampala

Tampanian

tamper

Tampere

tamper with

Tampican

Statistics for tamper

Last Updated

24 Apr 2019

Look-up Popularity

Time Traveler for tamper

The first known use of tamper was in 1567

See more words from the same year

Keep scrolling for more

More Definitions for tamper

tamper

verb
tam·​per | \ ˈtam-pər How to pronounce tamper (audio) \
tampered; tampering

Kids Definition of tamper

: to interfere or change in a secret or incorrect way Someone was tampering with the official records.
tam·​per

Legal Definition of tamper

1 : to bring improper influence to bear (as by bribery or intimidation) used with with tampered with the jurors
2 : to alter or interfere in an unauthorized or improper manner used with with tampered with evidence

Keep scrolling for more

More from Merriam-Webster on tamper

Spanish Central: Translation of tamper

Nglish: Translation of tamper for Spanish Speakers

Britannica.com: Encyclopedia article about tamper

Comments on tamper

What made you want to look up tamper? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to move or proceed with twists and turns

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!