adj. & n.
--adj.
1. of or constituted as a republic.
2 characteristic of a republic.
3 advocating or supporting republican government.
--n.
1. a person advocating or supporting republican government.
2 (Republican) (in the US) a member or supporter of the Republican Party.
3 an advocate of a united Ireland.
Phrases and idioms:
Republican Party one of the two main US political parties, favouring only a moderate degree of central power (cf. Democratic Party).
Derivatives:
republicanism n.