verb (used without object)
Origin of tamper1
Synonyms for tamper
Related Words for tamper withshuffle, alter, fix, manipulate, falsify, contravene, defy, infringe, offend, oppose, disregard, breach, disrupt, disobey, evolve, reduce, resolve, reform, shift, vary
Word Origin for tamper
1560s, figurative use of tamper "to work in clay, etc., so as to mix it thoroughly," probably originally a variant of temper (v.), which is how it was initially spelled. Perhaps it is a dialectal workmen's pronunciation. Related: Tampered; tampering.
Interfere or meddle, especially in a harmful way. For example, If you tamper with that lock it's sure to break. [c. 1600]
Engage in improper or secret dealings, as in He was accused of tampering with the jury. [c. 1600]