primary

(a) of first rank or importance or value; direct and immediate rather than secondary
- primary goals
- a primary effect
- primary sources
- a primary interest
(s) not derived from or reducible to something else; basic
- a primary instinct
(s) 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
chief, main, master, principal,
(s) of or being the essential or basic part
- an elementary need for love and nurturing
elemental, elementary,
(s) of primary importance basal,

(n) a preliminary election where delegates or nominees are chosen primary election,
(n) one of the main flight feathers projecting along the outer edge of a bird's wing primary feather, primary quill,
(n) (astronomy) a celestial body (especially a star) relative to other objects in orbit around it
(n) coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit
- current through the primary coil induces current in the secondary coil
primary coil, primary winding,

primary election primary feather primary quill chief main master principal primary coil primary winding elemental elementary basal

secondary

primal

primacy primate

primary amenorrhea primary atypical pneumonia primary care primary care physician primary care provider primary cell primary censorship primary coil primary color primary color for light primary color for pigments primary colour primary colour for light primary colour for pigments primary dentition primary dysmenorrhea primary election primary feather primary health care primary quill primary school primary sex character primary sex characteristic primary sexual characteristic primary solid solution primary subtractive color for light primary subtractive colour for light primary syphilis primary tooth primary winding