secondary

nouns

the defensive football players who line up behind the linemen
is a member of
a team that plays football
is a type of (narrower)
an arrangement of people or things acting as a unit
"a defensive formation"; "a formation of planes"
coil such that current is induced in it by passing a current through the primary coil

adjectives

being of second rank or importance or value; not direct or immediate
"the stone will be hauled to a secondary crusher"; "a secondary source"; "a secondary issue"; "secondary streams"
antonym
is similar to
serving or used in place of another
"an alternative plan"
is similar to
functioning in a supporting capacity
"the main library and its auxiliary branches"
is similar to
accompany, concomitant
"collateral target damage from a bombing run"
is similar to
not as a direct effect or consequence
"indirect benefits"; "an indirect advantage"
is similar to
derived from what is primary or original; not firsthand
"a secondhand report"; "a secondhand account of a memory of something once read"; "most of our knowledge is secondhand"
is similar to
being a replacement or substitute for a regular member of a team
"a second-string pitcher"
is similar to
ready for emergency use
"a standby generator"; "a standby crew"
is similar to
derived from what is primary or original by two intermediate steps
"a thirdhand report"
is similar to
(of a stream) flowing into a larger stream
is similar to
capable of substituting in any of several positions on a team
"a utility infielder"
is similar to
experienced at secondhand
"read about mountain climbing and felt vicarious excitement"
see also
not basic or fundamental
see also
not original; not being or productive of something fresh and unusual
"the manuscript contained unoriginal emendations"; "his life had been unoriginal, conforming completely to the given pattern"- Gwethalyn Graham
inferior in rank or status
"the junior faculty"; "a lowly corporal"; "petty officialdom"; "a subordinate functionary"
depending on or incidental to what is original or primary
"a secondary infection"
is similar to
(sometimes followed by `to') minor or casual or subordinate in significance or nature or occurring as a chance concomitant or consequence
"incidental expenses"; "the road will bring other incidental advantages"; "extra duties incidental to the job"; "labor problems incidental to a rapid expansion"; "confusion incidental to a quick change"
not of major importance
"played a secondary role in world events"
is similar to
of lesser importance or stature or rank
"a minor poet"; "had a minor part in the play"; "a minor official"; "many of these hardy adventurers were minor noblemen"; "minor back roads"
belonging to a lower class or rank
is similar to
lower in rank or importance