| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | troublesome |
| Synonyms: | Gordian, baffling, complex, complicated, difficult, effortful, elaborate, formidable, hard, intricate, involved, labyrinthine, mazy, mystifying, nodulous, perplexing, problematical, puzzling, ramified, reticular, rough, rugged, sophisticated, sticky*, terrible, thorny, tough, tricky, uphill |
| Antonyms: | simple, uncomplicated, untroublesome |
| 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 |
| Antonyms: | apparent, clear, direct, discernible, easy, evident, obvious, plain |
| Main Entry: | complicated |
| Part of Speech: | adjective |
| Definition: | difficult, complex |
| Synonyms: | Byzantine, Daedalean, Gordian, abstruse, arduous, can of worms, convoluted, difficult, elaborate, entangled, fancy, gasser, hard, hi-tech, interlaced, intricate, involved, knotty, labyrinthine, mega factor, mixed, perplexing, problematic, puzzling, recondite, sophisticated, troublesome, various, wheels within wheels |
| Antonyms: | easy, facile, simple |
| Main Entry: | dark |
| Part of Speech: | adjective |
| Definition: | hidden, secret |
| Synonyms: | Delphian, abstruse, anagogic, arcane, cabalistic, complicated, concealed, cryptic, deep, enigmatic, esoteric, intricate, knotty, mysterious, mystic, mystical, mystifying, not known, obscure, occult, puzzling, recondite |
| Antonyms: | apparent, distinct, evident, manifest, plain, visible |
| Main Entry: | difficult |
| Part of Speech: | adjective |
| Definition: | complicated; hard to comprehend |
| Synonyms: | abstract, abstruse, baffling, bewildering, complex, confounding, confusing, dark, deep, delicate, enigmatic, enigmatical, entangled, esoteric, formidable, hard to explain, hard to solve, hidden, inexplicable, intricate, involved, knotty, labyrinthine, loose, meandering, mysterious, mystical, mystifying, nice, obscure, obstinate, paradoxical, perplexing, problematical, profound, puzzling, rambling, subtle, tangled, thorny, ticklish, troublesome, unclear, unfathomable, unintelligible, vexing |
| Antonyms: | easy, simple, straightforward, uncomplicated |
| Main Entry: | elaborate |
| Part of Speech: | adjective |
| Definition: | intricate; involved |
| Synonyms: | busy, careful, complex, complicated, decorated, detailed, elegant, embellished, exact, extensive, extravagant, fancy, fussy, garnished, high tech, highly wrought, imposing, knotty, labored, labyrinthine, luxurious, many-faceted, minute, ornamented, ornate, ostentatious, overdone, overworked, painstaking, perfected, plush, posh, precise, prodigious, refined, showy, skillful, sophisticated, studied, thorough, with all the extras, with all the options, with bells and whistles |
| Antonyms: | general, normal, plain, regular, simple, uncomplicated, unelaborate, uninvolved, usual |
| Main Entry: | hard |
| Part of Speech: | adjective |
| Definition: | difficult, exhausting |
| Synonyms: | Herculean, arduous, backbreaking, bothersome, burdensome, complicated, demanding, difficile, distressing, effortful, exacting, fatiguing, formidable, grinding, hairy*, heavy*, intricate, involved, irksome, knotty, labored, laborious, mean, merciless, murder, onerous, operose, rigorous, rough, rugged, scabrous, serious, severe, slavish, sticky, strenuous, terrible, tiring, toilful, toilsome, tough, troublesome, unsparing, uphill battle, uphill, wearing, wearisome, wearying |
| Antonyms: | easy, facile, mild, simple |
| Main Entry: | heavy |
| Part of Speech: | adjective |
| Definition: | difficult, severe |
| Synonyms: | abstruse, acroamatic, arduous, boisterous, burdensome, complex, complicated, confused, effortful, esoteric, formidable, grave, grievous, hard, harsh, intolerable, knotty, labored, laborious, onerous, oppressive, profound, recondite, rough, serious, solemn, stormy, strenuous, tedious, tempestuous, toilsome, tough, troublesome, turbulent, vexatious, violent, wearisome, weighty, wild |
| Antonyms: | easy, inconsequential, insignificant, trivial, unimportant |
| Main Entry: | involved |
| Part of Speech: | adjective |
| Definition: | complicated |
| Synonyms: | Byzantine, Gordian, complex, confusing, convoluted, difficult, elaborate, high-tech, intricate, knotty, labyrinthine, mazy, muddled, ramified, sophisticated, tangled, tortuous, winding |
| Antonyms: | easy, simple, uncomplicated |