<p><strong>verb</strong></p><ul><li>to meddle, especially for the purpose of altering, damaging, or misusing (usually followed by with): Someone has been tampering with the lock.</li><li>Synonyms: interfere</li><li>to make changes in something, especially in order to falsify (usually followed by with): to tamper with official records.</li><li>to engage secretly or improperly in something.</li><li>to engage in underhand or corrupt dealings, especially in order to influence improperly (usually followed by with): Any lawyer who tries to tamper with a jury should be disbarred.</li></ul>