English word

Complex

Definitions

noun

  1. a whole made up of complicated or interrelated parts
  2. a group of culture traits relating to a single activity (such as hunting), process (such as use of flint), or culture unit
  3. a group of repressed desires and memories that exerts a dominating influence upon the personality
  4. an exaggerated reaction to or preoccupation with a subject or situation
  5. a group of obviously related units of which the degree and nature of the relationship is imperfectly known
  6. the sum of factors (such as symptoms) characterizing a disease or condition
  7. a chemical association of two or more species (such as ions or molecules) joined usually by weak electrostatic bonds rather than covalent bonds
  8. a building or group of buildings housing related units

Synonyms for complex

Closest evidence-backed alternatives.

  • complicate
  • complicated
  • intricate
  • sophisticated
  • tricky
  • thorny
  • knotty
  • tangled
  • impenetrable
  • labyrinthine
  • serpentine
  • problematical

Synonyms by context

Difficult to analyze or understand

adjective

Made up of multiple and connected parts

adjective

  • compound
  • composite
  • compounded
  • interwoven
  • multiplex
  • collective
  • conglomerate
  • confused
  • entangled
  • manifold

Requiring great skill or finesse in handling or treatment

adjective

An assemblage or collection of related things

noun

  • network
  • system
  • nexus
  • web
  • collection
  • aggregate
  • compilation
  • fusion
  • structure

A psychological dislike or fear

noun

  • obsession
  • phobia
  • fixation
  • preoccupation
  • neurosis
  • uneasiness
  • idée fixe
  • hang-up
  • paranoia
  • dread

A collection of buildings

noun

  • campus
  • centre
  • center
  • facility
  • establishment
  • installation
  • multi-use building
  • premises
  • site

(chemistry) To form a complex with another substance

verb

  • blend
  • combine
  • amalgamate
  • fuse
  • mix
  • admix
  • put together

To make something more complex

verb

  • muddle
  • confuse
  • entangle
  • muddy
  • convolute
  • confound
  • complexify
  • obfuscate
  • obscure

Antonyms for complex

Opposite of difficult to analyze or understand

Opposite of made up of multiple and connected parts

  • homogeneous
  • uniform
  • direct
  • plain
  • single
  • unmixed
  • noncompound
  • uncombined
  • unblended

Opposite of unintelligible and not able to be understood

  • clear
  • understandable
  • fathomable
  • intelligible
  • explicable
  • obvious
  • soluble
  • comprehensible
  • explainable
  • known

Opposite of an assemblage or collection of related things

  • separation
  • division
  • dissection
  • breaking up
  • compartmentalising
  • compartmentalizing
  • partitioning
  • segmentation
  • split
  • breaking down

Opposite of a psychological dislike or fear

  • fetish
  • desire
  • fixation
  • infatuation
  • partiality
  • craze
  • leaning
  • penchant
  • predilection
  • proclivity

Opposite of a psychological, irrational or obsessive fear of (something)

  • bent
  • fancy
  • inclination
  • liking
  • love
  • passion
  • affection
  • fondness
  • happiness
  • like

Opposite of to make something more complex

  • simplify
  • streamline
  • clarify
  • disentangle
  • elucidate
  • explain
  • facilitate
  • arrange
  • divide
  • enlighten

Phrases

  • a bludge
  • above your head
  • a breeze
  • a cakewalk
  • a cinch
  • a doddle
  • a doss
  • all greek to someone
  • all greek to you
  • a piece of cake
  • as clear as mud
  • as easy as ABC
  • as easy as pie
  • a snap
  • a snip
  • beats me
  • between the lines
  • beyond comprehension
  • beyond one
  • beyond one's grasp