Outbreak. Outburst, eruption, tumult, commotion, rebellion, insurrection, riot, conflict.

Ant. Quiet, order, pacification, subsidence, quelling.

Outcast. Exile, vagabond, reprobate, castaway, pariah, vagrant.

Outcry. Clamor, tumult, vociferation, alarm, yell, scream, noise.

Ant. Quiet, silence; acclamation, plaudit.

Outer. Outside, outward, external, exterior.

Ant. Inward, inside, internal, interior.

Outlaw. Brigand, bandit, robber, highwayman, marauder, freebooter.

Outlet. Egress, exit, vent.

Ant. Entrance, ingress.