Definition of tamper
tampered;
tampering
play
\ˈtam-p(ə-)riŋ\
1 a
: 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
2
: to carry on underhand or improper negotiations (as by bribery)
