0 past simple and past participle of lobby
1 to try to persuade a politician, the government, or an official group that a particular thing should or should not happen, or that a law should be changed:
Small businesses have lobbied hard for/against changes in the tax laws.
[ + to infinitive ] Local residents lobbied to have the factory shut down.
[ + obj + to infinitive ] They have been lobbying Congress to change the legislation concerning guns.
We are lobbying for changes to the law on drinking and driving.
They are lobbying for better healthcare facilities.
After they obtained support for the survey, they lobbied to make it an ongoing activity rather than a one time study.
Both the hard-line authoritarian faction and pro-business affairists lobbied for different reasons to close down the journal.
They lobbied policymakers vociferously, and their local groups held frequent meetings and a few demonstrations.