- 3. Underhand.
- 4. Envious, unpropitious, malignant, sinister, bad.
- 5. Collateral, indirect.
Obliterate, v. a.
- 1. Efface, erase, expunge, cancel, rub out, rub off, blot out, scratch out, wipe out, strike out.
- 2. Wear out, destroy.
Obliteration, n. Effacement, erasure, extinction, blotting out.
Oblivion, n.
- 1. Forgetfulness (Oblivion refers especially to the thing forgotten).
- 2. Amnesty, general pardon.
Oblivious, a. Forgetful, mindless, heedless, careless, negligent, neglectful.
Obloquy, n. Reproach, detraction, odium, censure, blame, calumny, contumely, slander, defamation, backbiting, traducing, aspersion, reviling.
Obnoxious, a.
- 1. Reprehensible, censurable, blameworthy, faulty.
- 2. Hateful, unpleasing, odious, offensive, unpopular.
- 3. Subject, liable, answerable, exposed (with to), amenable.
Oboe, n. Hautboy.
Obscene, a.
- 1. Indecent, indelicate, immodest, impure, ribald, gross, coarse, broad, unchaste, lewd, loose, smutty,
offensive, shameless, filthy.
- 2. Dirty, filthy, foul, offensive, disgusting.
- 3. Inauspicious, ill-omened, ill-boding.