a republic in western africa, south of guinea and east of cote d'ivoire. Its capital is monrovia, named for the u.s. President james monroe. Liberia was projected as a settlement of freed american slaves by the american colonization society in 1817 and hence named from the latin liber, free. In 1847 it was established as the free and independent republic of liberia. Liberia is the only black african state never to have been subjected to colonial rule.