Synonyms for complex
kəmˈplɛks, ˈkɒm plɛks; ˈkɒm plɛkscom·plex

Wiktionary(3.67 / 3 votes)Rate these synonyms:

1. complexadjective

   A problem.

   Synonyms:
   detailed, intricate

2. complexadjective

   Not simple or straightforward.

   Synonyms:
   complicated, hard, difficult, involved, tough

   Antonyms:
   easy, straightforward, simple, basic

English Synonyms and Antonyms(2.80 / 5 votes)Rate these synonyms:

1. complex

   That is complex which is made up of several connected parts. That is compound in which the parts are not merely connected, but fused, or otherwise combined into a single substance. In a composite object the different parts have less of unity than in that which is complex or compound, but maintain their distinct individuality. In a heterogeneous body unlike parts or particles are intermingled, often without apparent order or plan. Conglomerate (literally, globed together) is said of a confused mingling of masses or lumps of various substances. The New England pudding-stone is a conglomerate rock. In a complex object the arrangement and relation of parts may be perfectly clear; in a complicated mechanism the parts are so numerous, or so combined, that the mind can not readily grasp their mutual relations; in an intricate arrangement the parts are so intertwined that it is difficult to follow their windings; things are involved which are rolled together so as not to be easily separated, either in thought or in fact; things which are tangled or entangled mutually hold and draw upon each other. The conception of a material object is usually complex, involving form, color, size, and other elements; a clock is a complicated mechanism; the Gordian knot was intricate; the twining serpents of the Laocoon are involved. We speak of an abstruse statement, a complex conception, a confused heap, a heterogeneous mass, a tangled skein, an intricate problem; of composite architecture, an involved sentence; of the complicated or intricate accounts of a great business, the entangled accounts of an incompetent or dishonest bookkeeper.

   Synonyms:
   abstruse, complicated, composite, compound, confused, conglomerate, entangled, heterogeneous, intricate, involved, manifold, mingled, mixed, multiform, obscure, tangled

   Antonyms:
   clear, direct, homogeneous, obvious, plain, simple, uncombined, uncompounded, uniform, unraveled

Complete Dictionary of Synonyms and Antonyms(5.00 / 2 votes)Rate these synonyms:

1. complex

   Synonyms:
   intricate, multifarious, compound, complicated, multifold, involved, deep, many-sided, abstruse, close, tangled, obscure

   Antonyms:
   obvious, plain, simple, direct, inobscure, superficial, vague, loose, unraveled

Princeton's WordNet(0.00 / 0 votes)Rate these synonyms:

1. complex, compositenoun

   a conceptual whole made up of complicated and related parts

   "the complex of shopping malls, houses, and roads created a new town"

   Synonyms:
   building complex, composite plant, coordination compound, composite

   Antonyms:
   unanalyzable, simple, simplistic, uncomplicated, simplex, unsophisticated, undecomposable

2. complex, coordination compoundnoun

   a compound described in terms of the central atom to which other atoms are bound or coordinated

   Synonyms:
   building complex, coordination compound, composite

   Antonyms:
   unsophisticated, undecomposable, simple, simplex, simplistic, unanalyzable, uncomplicated

3. complexnoun

   (psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person's behavior

   Synonyms:
   building complex, coordination compound, composite

   Antonyms:
   undecomposable, simple, simplex, uncomplicated, simplistic, unsophisticated, unanalyzable

4. building complex, complexadjective

   a whole structure (as a building) made up of interconnected or related structures

   Synonyms:
   building complex, coordination compound, composite

   Antonyms:
   simplistic, unanalyzable, uncomplicated, simple, undecomposable, simplex, unsophisticated

5. complexadjective

   complicated in structure; consisting of interconnected parts

   "a complex set of variations based on a simple folk melody"; "a complex mass of diverse laws and customs"

   Antonyms:
   undecomposable, unsophisticated, simple, simplex, uncomplicated, unanalyzable, simplistic

Matched Categories

1. • Compound
   • Feeling
   • Psychoanalysis
   • Whole

Editors Contribution(0.00 / 0 votes)Rate these synonyms:

1. compound machine

   Submitted by anonymous on May 3, 2020  

2. multichoice

   many possibilities; tricky

   "this is such a complex question"

   Submitted by anonymous on February 5, 2020  

Dictionary of English Synonymes(0.00 / 0 votes)Rate these synonyms:

1. complexadjective

   Synonyms:
   compounded, compound, composite, not simple

2. complexadjective

   Synonyms:
   complicated, complicate, entangled, intricate, involved

Synonyms, Antonyms & Associated Words(5.00 / 1 vote)Rate these synonyms:

1. complexadjective

   Synonyms:
   composite, compound, mixed, complicated, intricate, involved

   Antonyms:
   incomplex, simple, obvious

PPDB, the paraphrase database(0.00 / 0 votes)Rate these paraphrases:

1. List of paraphrases for "complex":

   complicated, complexes, complexity, compound, sophisticated, intricate, difficult, complexe, plex, elaborate, challenging, cumbersome, convoluted, tricky, building, composite, sprawling, multifaceted

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How to use complex in a sentence?

1. Ri Chun-hee:

   Streets were full of people admiring the Supreme leader for his brilliant political skills to lead complex and eventful international politics.

2. Karen Bass:

   Our city is facing a public health, safety and economic crisis in homelessness that has evolved into a humanitarian emergency. I've spent my entire life bringing groups of people together in coalitions to solve complex problems and produce concrete change -- especially in times of crisis, los Angeles is Los Angeles. With my whole heart, I'm ready. Let's do this -- together. I'm running for mayor.

3. Tom Everett:

   There is nothing on earth that complex

4. Zoe Muller:

   The most surprising thing for me is that it has taken until 2021 to recognize that giraffes have a complex social system. We have known for decades about other species of socially complex mammal, such as elephants, primates and cetaceans, but it is baffling to me how such a charismatic and well-known species as the giraffe could have been so understudied until recently.

5. Shiladitya DasSarma:

   What happened I think is that the chlorophyll-based photosynthesis is more efficient, which means they generally have outcompeted the the purple organisms, in evolution, you had progression from more primitive to more complex and capable systems.