- The political doctrine or belief held by the United States of America, particularly during its expansion, that the nation was destined to expand toward the west.
- The political doctrine or belief held by many liberal citizens of the United States of America that their system is best, and the idea that all humans would like to become Americans; a delightful form of jingoism.
- The belief that God supports the expansion of the United States of America throughout the entire North American continent except Mexico.
(nautical) A historical ship that transported the Pilgrims to America in the year 1620
- An independent neutral politician.