| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | obscure, mysterious |
| Synonyms: | X, alien, anonymous, concealed, dark, desolate, distant, exotic, far, far-off, faraway, foreign, hidden, humble, incog, incognito, little known, nameless, new, remote, secret, so-and-so, strange, such-and-such, unapprehended, unascertained, uncelebrated, uncharted, undiscovered, undistinguished, unexplained, unexplored, unfamiliar, unheard-of, unidentified, unnamed, unnoted, unperceived, unrecognized, unrenowned, unrevealed, unsung, untold |
| Antonyms: | familiar, identified, known |
| Main Entry: | extinct |
| Part of Speech: | adjective |
| Definition: | dead, obsolete |
| Synonyms: | abolished, archaic, asleep, bygone, cold*, dead and gone, deceased, defunct, departed, disappeared, done for, doused, ended, exanimate, exterminated, extinguished, fallen, gone, inactive, late, lifeless, lost, no longer known, out, outmoded, passed on, passé, snuffed out, superseded, terminated, unknown, vanished, vanquished, void |
| Antonyms: | alive, existing, extant, living |
| Main Entry: | foreign |
| Part of Speech: | adjective |
| Definition: | from another country, experience |
| Synonyms: | adopted, alien, alienated, antipodal, barbarian, barbaric, borrowed, derived, different, distant, estranged, exiled, exotic, expatriate, external, extralocal, extraneous, extrinsic, far, far-fetched, far-off, faraway, from abroad, immigrant, imported, inaccessible, nonnative, nonresident, not domestic, not native, offshore, outlandish, outside, overseas, remote, strange, transoceanic, unaccustomed, unexplored, unfamiliar, unknown |
| Antonyms: | local, national, native |
| Main Entry: | frontier |
| Part of Speech: | noun |
| Definition: | unexplored, unoccupied area of land |
| Synonyms: | backcountry, backwater, backwoods, boondocks, boonies, bush, hinterland, outback, outskirts, sticks, unknown* |
| Antonyms: | metropolis |
| Main Entry: | hidden |
| Part of Speech: | adjective |
| Definition: | unseen, secret |
| Synonyms: | QT, abstruse, buried, clandestine, cloaked, close, clouded, concealed, covered, covert, cryptic, dark, disguised, eclipsed, esoteric, hermetic, hermetical, imperceivable, in the dark, indiscernible, invisible, latent, masked, mysterious, mystic, mystical, obscure, occult, out of view, private, recondite, screened, secluded, sequestered, shadowy, shrouded, surreptitious, ulterior, undercover, underground, undetected, undisclosed, unexposed, unknown, unrevealed, veiled, withheld |
| Antonyms: | bare, exhibited, exposed, open, out, seen, showing, uncovered |
| Main Entry: | incognito |
| Part of Speech: | adjective |
| Definition: | in disguise |
| Synonyms: | anonymous, bearded, camouflaged, concealed, disguised, hidden, incog, isolated, masked, masquerading, obscure, under assumed name, unknown, unrecognized |
| Antonyms: | known, openly, seen, unhidden |
| Main Entry: | indefinite |
| Part of Speech: | adjective |
| Definition: | ambiguous, vague |
| Synonyms: | broad, confused, doubtful, dubious, equivocal, evasive, general, ill-defined, imprecise, indeterminable, indeterminate, indistinct, inexact, inexhaustible, infinite, innumerable, intangible, loose, obscure, shadowy, uncertain, unclear, undefined, undependable, undetermined, unfixed, unknown, unlimited, unsettled, unspecific, unsure, wide |
| Antonyms: | certain, definite, distinct, sure |
| Main Entry: | mysterious |
| Part of Speech: | adjective |
| Definition: | secret, concealed |
| Synonyms: | abstruse, alchemistic, arcane, astrological, baffling, cabalistic, covert, cryptic, curious, dark, difficult, enigmatic, enigmatical, equivocal, esoteric, furtive, hidden, impenetrable, incomprehensible, inexplicable, inscrutable, insoluble, magical, mystical, mystifying, necromantic, obscure, occult, oracular, perplexing, puzzling, recondite, secretive, sphinxlike, spiritual, strange, subjective, symbolic, transcendental, uncanny, unfathomable, unknowable, unknown, unnatural, veiled, weird |
| Notes: | mysterious means of an obscure nature, while mystical means having a divine meaning that transcends human understanding |
| Antonyms: | apparent, known, obvious, plain, public, straightforward, tangible, unmysterious |
| Main Entry: | new |
| Part of Speech: | adjective |
| Definition: | recent, fresh |
| Synonyms: | advanced, au courant, brand-new, contemporary, current, cutting-edge, dewy, different, dissimilar, distinct, fashionable, inexperienced, just out, late, latest, modern, modernistic, modish, neoteric, newfangled, novel, now*, original, recent, spick-and-span, state-of-the-art, strange, topical, ultramodern, unaccustomed, uncontaminated, unfamiliar, unique, unknown, unlike, unseasoned, unskilled, unspoiled, untouched, untrained, untried, untrodden, unused, unusual, up-to-date, virgin, youthful |
| Antonyms: | deteriorated, old, old-fashioned, outdated, worn |