Bienvenido a Reverso.net, servicio gratuito de traducción en línea para inglés, francés, alemán, italiano, ruso, chino
secondary 
1 derivative, derived, indirect, resultant, resulting, second-hand 
2 consequential, contingent, inferior, lesser, lower, minor, second-rate, subordinate, unimportant 
3 alternate, auxiliary, backup, extra, fall-back, relief, reserve, second, subsidiary, supporting 
 
Antonyms  
 cardinal, chief, head, larger, main, major, more important, only, original, preceding, primary, prime, principal, superior