complex

1 having many parts or aspects that are usually interrelated this camera is a complex instrument that requires careful handling complex issues regarding free speech and school discipline Synonyms baroque, byzantine, complicate, complicated, convoluted, daedal, elaborate, intricate, involute, involved, knotty, labyrinthian, labyrinthine, sophisticated, tangled Related Words overcomplex, overcomplicated; composite, compound, heterogeneous, mixed, multibranched, multifaceted, multifarious, multipart, varied; challenging, difficult, tough; impenetrable, incomprehensible, inexplicable, Kafkaesque, unfathomable, unintelligible Near Antonyms oversimplified, simplified, simplistic; homogeneous, uniform, unvaried Antonyms noncomplex, noncomplicated, plain, simple, uncomplicated

2 made or done with great care or with much detail a complex plan for evacuating the city in the event of a natural disaster Synonyms elaborate, complicated, detailed, fancy, intricate, involved, sophisticatedRelated Words elegant, exquisite, grand, magnificent, ornate, splendid; chichi, extravagant, exuberant, fancified, flamboyant, frilly, gimmicked (up), grandiose, ostentatious, overwrought, showy, souped-up; Byzantine, convoluted, involute, involuted, labyrinthian, labyrinthineNear Antonyms modest, plain, plain-Jane, plain-vanilla, uncomplicated; bald, bare, naked, unadorned, undecorated, unvarnishedAntonyms no-frills, simple, unfancy, unsophisticated