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Related to tampering: Jury tampering

tam·per 1

v. tam·pered, tam·per·ing, tam·pers
a. To interfere in a harmful or disruptive manner; meddle: was worried the editor would tamper with her text.
b. To make alterations or adjustments, especially secretly so as to subvert an intended purpose or function: tamper with a lock; discovered that the brakes had been tampered with.
c. To engage in improper or secret actions, as in an effort to influence an outcome: tamper with evidence; tamper with a jury.
2. To tinker rashly or foolishly: "The ability of chemists to create new drugs from natural compounds raises an old argument about whether human beings should tamper with nature" (Andrew Weil).
To alter improperly.

[Probably alteration of temper.]

tam′per·er n.

tamp·er 2

A neutron reflector in an atomic bomb that also delays the expansion of the exploding material, making possible a longer-lasting, more energetic, and more efficient explosion.


1. the act or an instance of interfering or meddling with something, esp so it no longer works or it works differently
2. the act or an instance of using corrupt practices such as bribery or blackmail in an attempt to influence someone
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tampering - the act of altering something secretly or improperlytampering - the act of altering something secretly or improperly
change of state - the act of changing something into something different in essential characteristics
References in classic literature ?
WHILE a Division Superintendent of a railway was attending closely to his business of placing obstructions on the track and tampering with the switches he received word that the President of the road was about to discharge him for incompetency.
When I sought them out (as I did; there was no tampering with me), I told them I wanted help to find you out, to trace you down, to go through with what I had begun, to help the right; and that when I had done it, I'd burst into your room and tell you all, face to face, man to man, and like a man.
It guards the vitals of the instrument from crafty tampering.
Then she attacked the other maid; she was not so hard-hearted in appearance as the other, and sometimes seemed inclined to be merciful; but the first wench kept her up, and changed her mind, and would not so much as let my governess talk with her, but threatened to have her up for tampering with the evidence.
A secret enemy had been continually by his side, under the semblance of a friend and helper, and had availed himself of the opportunities thus afforded for tampering with the delicate springs of Mr.
Richardson, in tampering with that box upon my shelf?
Nevertheless, I forbid you, I distinctly forbid your tampering with my ship.
ISLAMABAD -- The Islamabad High Court (IHC) reserved on Wednesday its decision on former Securities and Exchange Commission of Pakistan (SECP) chairman Zafar Hijazi's plea to quash the FIR filed against him in a record tampering case.
According to sources, the PM House has initiated the inquiry after taking notice of the recent appointments made in the Ministry of Science and Technology through record tampering and rules violation.
ISLAMABAD -- A two-judge bench of the Islamabad High Court on Thursday sought reasons from the Federal Investigation Agency (FIA) as to why Maheen Fatima, a senior official of the Securities and Exchange Commission of Pakistan (SECP), was not named in the case related to tampering with the records of Chaudhry Sugar Mills.
ELEVEN businesses in Manchester city centre have been shut down after they were found to be tampering with gas and electricity supplies.
ISLAMABAD -- The Islamabad High Court on Friday inquired from a deputy attorney general (DAG) why two officials of the Securities and Exchange Commission of Pakistan (SECP) were not made co-defendants in the Chaudhry Sugar Mills record tampering case registered against former SECP chairman Zafar Hijazi.