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tamper

 - 6 dictionary results

tam⋅per

1[tam-per]
–verb (used without object)
1. to meddle, esp. for the purpose of altering, damaging, or misusing (usually fol. by with): Someone has been tampering with the lock.
2. to make changes in something, esp. in order to falsify (usually fol. by with): to tamper with official records.
3. to engage secretly or improperly in something.
4. to engage in underhand or corrupt dealings, esp. in order to influence improperly (usually fol. by with): Any lawyer who tries to tamper with a jury should be disbarred.

Origin:
1560–70; prob. var. of temper (v.)


tam⋅per⋅er, noun


1. interfere.

tamp⋅er

2[tam-per]
–noun
a person or thing that tamps.

Origin:
tamp + -er 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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tam·per 1   (tām'pər)   
v.   tam·pered, tam·per·ing, tam·pers

v.   intr.
  1. To interfere in a harmful manner: tried to tamper with the decedent's will; tampering with the timing mechanism of the safe.

  2. To tinker with rashly or foolishly: Don't tamper with my feelings.

  3. To engage in improper or secret dealings, as in an effort to influence: tamper with a jury. See Synonyms at interfere.

v.   tr.
To alter improperly.

[Probably alteration of temper.]
tam'per·er n.
tamp·er 2   (tām'pər)   
n.  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.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

tamper  (v.)
1567, figurative use of tamper "to work in clay, etc., so as to mix it thoroughly," probably originally a variant of temper (q.v.), which is how it was initially spelled. Perhaps it is a dialectal workmen's pronunciation. Tamperproof is recorded from 1886.
Online Etymology Dictionary, © 2001 Douglas Harper
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Legal Dictionary

Main Entry: tam·per
Function: intransitive verb
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>
Merriam-Webster's Dictionary of Law, © 1996 Merriam-Webster, Inc.
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