prime minister

noun

1. the principal minister and head of government in parliamentary systems; chief of the cabinet or ministry.

   the British prime minister.

prime minister

noun

1. the head of a parliamentary government

2. the chief minister of a sovereign or a state

prime minister

1. The head of government in many nations. Prime minister is commonly the title of the head of government in a parliamentary system, such as that of Britain or Canada.

Other Word Forms

• prime ministership noun
• prime-ministerial adjective
• prime-ministership noun
• prime ministry noun

Word History and Origins

Origin of prime minister¹

First recorded in 1640–50