| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | mysterious, unable to be solved or answered |
| Synonyms: | baffling, difficult, impenetrable, indecipherable, inexplicable, inextricable, irresolvable, mystifying, obscure, unaccountable, unconcluded, unfathomable, unresolved, unsolvable, unsolved |
| Antonyms: | explainable, explicable, obvious, open, solvable |
| Main Entry: | intractable /intransigent |
| Part of Speech: | adjective |
| Definition: | difficult, stubborn |
| Synonyms: | awkward, bullheaded, cantankerous, contrary, hang tough, hard-line, headstrong, immovable, incompliant, incurable, indocile, indomitable, insoluble, locked in, mulish, obdurate, obstinate, pat, pertinacious, perverse, pigheaded, recalcitrant, refractory, resolute, self-willed, set in stone, tenacious, tough, tough-nut, unbending, uncompromising, uncooperative, undisciplined, ungovernable, unmanageable, unpliable, unruly, unyielding, wayward, wild, willful |
| Antonyms: | amenable, easy, facile, manageable |
| 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: | 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: | unsolvable |
| Part of Speech: | adjective |
| Definition: | not easily solved |
| Synonyms: | inexplicable, inextricable, inscrutable, insoluble, unexcogitable |
| Antonyms: | solvable |
| Main Entry: | intractable |
| Part of Speech: | adjective |
| Definition: | difficult |
| Synonyms: | awkward, bull-headed, cantankerous, contrary, fractious, hang tough, hard-line, headstrong, immovable, incompliant, incurable, indocile, indomitable, insoluble, intransigent, locked, locked in, mulish, obdurate, obstinate, pat, pertinacious, perverse, pig-headed, recalcitrant, refractory, resolute, self-willed, stubborn, tenacious, tough, tough nut, unbending, uncompromising, uncooperative, undisciplined, ungovernable, unmanageable, unpliable, unruly, unyielding, wayward, wild, willful |
| Notes: | intractable means stubborn or obstinate; intransigent is this, but implies being more intense and refusing to compromise or change |
| Antonyms: | manageable |
| Main Entry: | mystifying |
| Part of Speech: | adjective |
| Definition: | mysterious |
| Synonyms: | abstruse, alchemistic, arcane, astrological, baffling, cabalistic, covert, cryptic, curious, dark, difficult, enigmatic, enigmatical, equivocal, esoteric, furtive, hidden, impenetrable, incomprehensible, inexplicable, inscrutable, insoluble, magical, mystic, mystical, necromantic, obscure, occult, oracular, perplexing, puzzling, recondite, secretive, sphinxlike, spiritual, strange, subjective, symbolic, transcendental, uncanny, unfathomable, unknowable, unknown, unnatural, veiled, weird* |
| Main Entry: | unexplainable |
| Part of Speech: | adjective |
| Definition: | inexplicable |
| Synonyms: | baffling, enigmatic, incomprehensible, indecipherable, indescribable, inexplainable, inscrutable, insoluble, mysterious, mystifying, obscure, odd*, peculiar, puzzling, strange, unaccountable, undefinable, unfathomable, unintelligible, unsolvable |