grandfather clause is a noun meaning "an exemption based on circumstances existing prior to the adoption of some policy; used to enfranchise illiterate whites in south after the American Civil War". It carries one recorded sense.
an exemption based on circumstances existing prior to the adoption of some policy; used to enfranchise illiterate whites in south after the American Civil War
Definitions, synonyms and semantic relations for grandfather clause come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.