A private entity that can accept unlimited contributions and make unlimited expenditures in support of a political campaign but is required to operate independently of any party or candidate and cannot contribute directly to any party or candidate.
(US, politics) An "independent-expenditure only committee", a political action committee which may support a political candidate, and officially endorse one, but is legally bound to not coordinate with any candidate, and is not limited in financial contributions from donors or financial spending.
The definition of a super PAC is a political action committee that can raise unlimited funds to spend on political messages and activities that are not connected to a particular candidate.
Comedian Stephen Colbert's fund for political action is an example of a super PAC.
A type of political action committee having no official affiliation with a particular candidate or party and, hence, no limits on its spending.