| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | hidden, mysterious; blank |
| Synonyms: | ambiguous, arcane, cabalistic, deadpan, difficult, enigmatic, impenetrable, incomprehensible, inexplicable, mysterial, mystic, poker-faced, secret, sphinxlike, unaccountable, undiscoverable, unexplainable, unfathomable, unintelligible, unknowable, unreadable |
| Antonyms: | clear, comprehensible, evident, intelligible, obvious, plain |
| Main Entry: | calm |
| Part of Speech: | adjective |
| Definition: | composed, cool (animate) |
| Synonyms: | aloof, amiable, amicable, civil, collected, cool as cucumber, cool-headed, detached, disinterested, dispassionate, equable, gentle, impassive, imperturbable, inscrutable, kind, laid-back*, levelheaded, listless, moderate, neutral, patient, placid, pleased, poised, relaxed, restful, satisfied, sedate, self-possessed, serene, still, temperate, unconcerned, undisturbed, unemotional, unexcitable, unexcited, unflappable, unimpressed, unmoved, unruffled, untroubled |
| Antonyms: | agitated, angry, excitable, excited, furious, mad, passionate, roused, ruffled, wild, worried |
| Main Entry: | complex |
| Part of Speech: | adjective |
| Definition: | difficult to understand |
| Synonyms: | Byzantine, Daedalean, Gordian, abstruse, bewildering, circuitous, complicated, confused, convoluted, crabbed, cryptic, discursive, disordered, disturbing, enigmatic, entangled, excursive, hidden, impenetrable, inscrutable, interwoven, intricate, involved, jumbled, knotted, knotty, labyrinthine, mazy, meandering, mingled, mixed, muddled, obscure, paradoxical, perplexing, puzzling, rambling, recondite, round-about, sinuous, snarled, sophisticated, tangled, tortuous, undecipherable, unfathomable, winding |
| Notes: | something complex may be well-organized and logically constructed as well as subtle and intricate, while a thing that is complicated will have something irregular, perverse, asymmetrical in addition to fundamental intricacy; complex is more formal and technical (a problem in mathematics is complex) while something like personal life can be complicated |
| Antonyms: | apparent, clear, direct, discernible, easy, evident, obvious, plain |
| Main Entry: | enigmatic/enigmatical |
| Part of Speech: | adjective |
| Definition: | mysterious |
| Synonyms: | Delphian, Sibylline, ambiguous, cryptic, dark, doubtful, equivocal, incomprehensible, indecipherable, inexplicable, inscrutable, obscure, occult, oracular, perplexing, puzzling, recondite, secret, sphinxlike, stickling, stumping, teasing, uncertain, unfathomable, unintelligible |
| Antonyms: | clear, obvious, unmysterious |
| Main Entry: | esoteric |
| Part of Speech: | adjective |
| Definition: | mysterious, obscure |
| Synonyms: | Delphic, Orphic, Sibylline, abstruse, acroamatic, arcane, cabalistic, cryptic, deep, heavy, hermetic, hidden, inner, inscrutable, mystic, mystical, occult, private, profound, recondite, secret |
| Notes: | eclectic means selecting what seems best of various styles, methods, or ideas while esoteric means intended for and understandable by only a small knowledgeable group |
| Antonyms: | common, familiar, known, obvious, public, unmysterious |
| Main Entry: | expressionless |
| Part of Speech: | adjective |
| Definition: | having a blank look on face |
| Synonyms: | dead*, deadpan, dull, empty, fish-eyed, impassive, inexpressive, inscrutable, lackluster, lusterless, nobody home, poker-faced, stolid, straight-faced, stupid, unexpressive, vacant, vacuous, wooden |
| Antonyms: | animated, demonstrative, expressive |
| Main Entry: | impassive |
| Part of Speech: | adjective |
| Definition: | aloof, cool |
| Synonyms: | apathetic, callous, cold, cold-blooded, collected, composed, dispassionate, dry, emotionless, hardened, heartless, imperturbable, indifferent, indurated, inexcitable, inexpressive, inscrutable, insensible, insusceptible, matter-of-fact, nonchalant, passionless, phlegmatic, placid, poker-faced, reserved, reticent, sedate, self-contained, serene, spiritless, stoic, stoical, stolid, taciturn, unconcerned, unemotional, unexcitable, unfeeling, unflappable, unimpressible, unmoved, unruffled, wooden |
| Notes: | impassioned means characterized by intense emotion or full of passion, while impassive means having or revealing little emotion |
| Antonyms: | emotional, feeling, passionate, responsive, sensitive, susceptible, warm |
| Main Entry: | impenetrable |
| Part of Speech: | adjective |
| Definition: | incomprehensible |
| Synonyms: | Delphic, arcane, baffling, cabalistic, dark, enigmatic, enigmatical, hidden, incognizable, indiscernible, inexplicable, inscrutable, mysterious, mystic, obscure, sibylline, unaccountable, unfathomable, ungraspable, unintelligible, unknowable |
| Antonyms: | comprehensible, intelligible, penetrable, understandable |
| Main Entry: | incomprehensible |
| Part of Speech: | adjective |
| Definition: | not understandable |
| Synonyms: | Delphic, Greek, baffling, beats me, beyond comprehension, beyond one's grasp, clear as mud, cryptic, enigmatic, fathomless, impenetrable, incognizable, inconceivable, inscrutable, mysterious, mystifying, obscure, opaque, over one's head, perplexing, puzzling, sibylline, unclear, unfathomable, ungraspable, unimaginable, unintelligible, unknowable |
| Antonyms: | comprehensible, fathomable, intelligible, understandable |