Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Thesaurus

complex

adjective

Synonyms and Antonyms of complex

  1. 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. 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




complex

noun

Synonyms and Antonyms of complex

  1. 1 a structure that is designed and built for a particular purpose <an apartment complex> Synonyms facility, establishment, installationRelated Words building, edifice; institute, institution; business, company, concern, outfit

  2. 2 something made up of many interdependent or related parts <a complex of goverment programs designed to assist the needy> Synonyms system, networkRelated Words interlacement, mesh, meshwork, net, plexus, web; aggregate, conglomerate, totality, whole; sequence, series; supersystem




complex

verb

Synonyms and Antonyms of complex

  1. to make complex or difficult <there's no need to complex what should be a simple process for obtaining a building permit> Synonyms complicate, complexify, embarrass, entangle, perplex, sophisticateRelated Words develop, elaborate, expand; intensify, magnify; confound, confuse, mess (up), mix (up), muddle; snarl, tangleNear Antonyms abbreviate, cut, shorten; ease, facilitate; disentangle, straighten (out), unravel, untangle; oversimplifyAntonyms simplify, streamline




Learn More about complex


Seen and Heard

What made you want to look up complex? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to proceed clumsily or ineffectually

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

lavender-fields-in-france

Which of these is a synonym of caesura?

rebellion torrent interruption megillah
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ