| Main Entry: | |
| 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: | obscure |
| Part of Speech: | adjective |
| Definition: | not easily understood |
| Synonyms: | abstruse, ambiguous, arcane, clear as mud, complicated, concealed, confusing, cryptic, dark, deep, dim, doubtful, enigmatic, enigmatical, esoteric, far-out, hazy, hidden, illegible, illogical, impenetrable, incomprehensible, inconceivable, incredible, indecisive, indefinite, indeterminate, indistinct, inexplicable, inscrutable, insoluble, intricate, involved, mysterious, occult, opaque, recondite, unaccountable, unbelievable, unclear, undefined, unfathomable, unintelligible, vague |
| Antonyms: | apparent, clear, explicit, obvious, perceptible, understood |
| Main Entry: | opaque |
| Part of Speech: | adjective |
| Definition: | clouded, muddy |
| Synonyms: | blurred, cloudy, dark, darkened, dim, dirty, dull, dusky, filmy, foggy, frosty, fuliginous, gloomy, hazy, impenetrable, lusterless, misty, muddied, murky, nontranslucent, nontransparent, nubilous, obfuscated, shady, smoky, sooty, thick, turbid |
| Notes: | oblique means slanting or inclined in direction or course or position - or misleading; opaque means not transmitting or reflecting light - or not clearly understood or expressed |
| Antonyms: | clear, lucid, translucent, transparent, unclouded |
| Main Entry: | perplexing |
| Part of Speech: | adjective |
| Definition: | difficult to understand |
| Synonyms: | baffling, beyond one, complicated, confusing, convoluted, disconcerting, impenetrable, intricate, involved, knotty, mind-bending, mysterious, mystifying, paradoxical, puzzling, taxing, thorny, worrying |
| Main Entry: | supernatural |
| Part of Speech: | adjective |
| Definition: | mysterious, not of this world |
| Synonyms: | abnormal, celestial, concealed, dark, fabulous, fairy, ghostly, heavenly, hidden, impenetrable, invisible, legendary, metaphysical, miraculous, mystic, mythical, mythological, numinous, obscure, occult, paranormal, phantom, phenomenal, preternatural, psychic, rare, secret, spectral, superhuman, superior, supermundane, superordinary, supranatural, transcendental, uncanny, uncomprehensible, unearthly, unfathomable, unintelligible, unknowable, unknown, unnatural, unrevealed, unusual |
| Antonyms: | earthly, existent, genuine, natural, real, true |
| Main Entry: | thick |
| Part of Speech: | adjective |
| Definition: | concentrated, dense |
| Synonyms: | caked, clabbered, close, clotted, coagulated, compact, compressed, concrete, condensed, congealed, consolidated, crowded, curdled, deep, firm, fixed, gelatinous, gloppy, gooey, gummous, gummy, gunky, heavy, impenetrable, impervious, jelled, jellied, opaque, ossified, ropy, set, sloppy, solid, solidified, stiff, syrupy, thickened, turbid, viscid, viscous, vitrified |
| Antonyms: | diluted, loose, thin, watery |
| Main Entry: | thick |
| Part of Speech: | adjective |
| Definition: | crowded, packed |
| Synonyms: | abundant, brimming, bristling, bursting, chock-full, close, compact, compressed, concentrated, condensed, considerable, covered, crammed, crawling with, dense, frequent, full, great, heaped, impenetrable, impervious, inspissated, like sardines, localized, multitudinous, numerous, populated, populous, profuse, rank, replete, several, solid, swarming, teeming, tight |
| Antonyms: | thin, uncrowded |
| Main Entry: | thick |
| Part of Speech: | adjective |
| Definition: | dense (referring to weather) |
| Synonyms: | cloudy, dull, foggy, heavy, impenetrable, indistinct, muddy, obscure, soupy, turbid |
| Antonyms: | clear |
| Main Entry: | tight |
| Part of Speech: | adjective |
| Definition: | sealed |
| Synonyms: | airtight, blind, blocked, bolted, choking, clumped, cramping, crushing, cutting, fast, fastened, firm, fixed, hermetic, hermetically sealed, impenetrable, impermeable, impervious, locked, nailed, obstructed, padlocked, pinching, plugged, proof, secure, short, shrunken, shut, skintight, slammed, smothering, snapped, sound, stopped up, tied, tied up, uncomfortable, watertight |
| Notes: | the choice of 'tight' or 'tightly' depends on whether it is the result or the application that is emphasized; if it is an enduring state, you would use 'tight' |
| Antonyms: | loose, open, unsealed, wide |