1 : greatest in importance or degree or significance or achievement; "our greatest statesmen"; "the country's leading poet"; "a preeminent archeologist"
2 : most important element; "the chief aim of living"; "the main doors were of solid glass"; "the principal rivers of America"; "the principal example"; "policemen were primary targets"; "the master bedroom"; "a master switch"
3 : first in rank or degree; "an architect of premier rank"; "the prime minister"
adjectif
1 : (of a clause) capable of standing syntactically alone as a complete sentence
