Ant. Center, interior, body, heart, core; opposition, secession, neutrality.
Sight. Vision, show, representation, exhibition; faculty of seeing, view; visibility, spectacle; inspection, examination; opinion, judgment; perception, ken, cognizance; contemplation, survey; insight; appearance.
Ant. Blindness, non-visibility, obscuration; non-appearance; oversight, neglect; disappearance; vanishing; impression, prejudice.
Sign. Mark, manifestation, indication, presage, symbol, type, token, emblem, note, omen, signal, prognostic, symptom.
Significant. Expressive, suggestive, important; weighty, momentous; manifest, intimating, declarative, betokening, implying, meaning, denoting; telling, speaking; forcible; conspicuous.
Ant. Insignificant, meaningless, inconspicuous, mute, inexpressive, expressionless, unsuggestive.
Silence. Stillness, hush, restfulness, quiet, muteness, noiselessness, calm, peace, tranquillity; dumbness, taciturnity; obscurity, secrecy, oblivion.
Ant. Noise, sound, tumult, clamor, roar, storm, din, unrest, babel, commotion, reverberation, resonance, agitation, clatter; talkativeness, loquacity, garrulity; publicity, fame, rumor, repute, celebrity.
Similar. Corresponding, like, resembling, uniform, homogeneous; congruous, harmonious.
Ant. Dissimilar, unlike, different, alien, discordant, heterogeneous, incongruous.