Optional, a. Discretional, elective.
Opulence, n. Wealth, affluence, riches, fortune, independence, easy circumstances, ample means, opulency.
Opulent, a. Wealthy, rich, affluent, flush, moneyed, well off.
Oracle, n.
- 1. Divine communication.
- 2. (Fewish History.) Sanctuary, Holy of Holies.
- 3. (Greek History.) Deity or god (from whom divine communications come).
- 4. Sage, prophet, Solomon, Nestor, wise man, master-mind, shining light.
Oracular, a.
- 1. Prophetic, portentous, ominous.
- 2. Authoritative, magisterial, positive, dogmatical.
- 3. Sage, wise, grave, venerable.
- 4. Obscure, ambiguous, dark, blind, equivocal.
Oral, a. Spoken, verbal, nuncupative, parole, vocal.
Orally, ad. By word of mouth, in words, vocally, verbally, viva voce.
Oration, n. Discourse, address, speech, harangue, declamation.
Orator, n. Public speaker, eloquent speaker.
Oratorical, a. Rhetorical, eloquent.
Oratory, n.
- 1. Eloquence, art of speaking well (in public), rhetoric, elocution.
- 2. Eloquence, eloquent language, exercise of eloquence.
Orb, n.
- 1. Globe, sphere, ball.