Chapter Opportunely to Out of O by Soule's Synonymes

2. Overburden, crush, overwhelm, overpower, subdue.

3. Persecute, wrong, maltreat, treat cruelly, tyrannize over.

Oppression, n.

1. Hardship, misery, suffering, calamity.

2. Tyranny, severity, cruelty, injustice, persecution.

3. Depression, lassitude, heaviness, dulness.

Oppressive, a.

1. Burdensome, severe.

2. Heavy, overwhelming, overpowering.

3. Tyrannical, cruel, severe, hard, rigorous, inhuman, grinding, galling.

4. Close, uncomfortable.

Oppressor, n. Tyrant.

Opprobrious, a,

1. Reproachful, scurrilous, abusive, vituperative, insolent, condemnatory, damnatory, scandalous, contemptuous, offensive, insulting.

2. Infamous, despised, shameful, dishonorable, disgraceful, disreputable, hateful.

Opprobrium, n.

1. Scurrility, abusive language, contemptuous reproaches, contumely.

2. Reproach, disgrace, infamy, ignominy, obloquy, odium.

Oppugn, v. a. Assail, attack, combat, resist, oppose, thwart, contravene, withstand, strive against.

Optic, n. Eye.

Optic, Optical, a. Visual.

Option, n. Choice, election, preference, selection.