Synonyms and related words :
Byzantine, Daedalian, Herculean, abstruse, amalgamated, ambiguous, ambivalent, amphibious, anfractuous, arduous, baffling, balled up, bewildering, beyond one, blended, bothering, brutal, combined, complex, complicated, composite, compound, compounded, confounded, confounding, confused, confusing, conglomerate, convoluted, crabbed, cramp, critical, daedal, dappled, dedal, delicate, demanding, devious, difficile, difficult, discomposing, disconcerting, dismaying, distracting, disturbing, eclectic, elaborate, embarrassing, embrangled, enigmatic, entangled, equivocal, exacting, fancy, fifty-fifty, formidable, fouled up, garbled, gordian, hairy, half-and-half, hard, hard to understand, hard-earned, hard-fought, heterogeneous, implicated, indiscriminate, involuted, involved, ironic, jawbreaking, jumbled, knotted, knotty, laborious, labyrinthian, labyrinthine, loused up, many-faceted, many-sided, matted, mazy, mean, meandering, medley, messed up, mingled, miscellaneous, mixed, mixed up, motley, mucked up, multifaceted, multifarious, multinational, multiracial, mysterious, mystifying, no picnic, not easy, obfuscated, obscure, obscured, operose, ornate, overtechnical, patchy, perplexed, perplexing, perturbing, pluralistic, problematic, promiscuous, puzzling, ramified, rigorous, rococo, rough, roundabout, rugged, scrambled, screwed up, set with thorns, severe, sinuous, snarled, sophisticated, spiny, steep, strenuous, subtle, syncretic, tangled, tangly, thorny, thrown together, ticklish, toilsome, tortuous, tough, tricky, twisted, uphill, upsetting, varied, wicked, winding