complex

/kəmˈplɛks/
adjective
  1. Consisting of many different and connected parts; not simple.
    • They faced a complex problem that required teamwork to solve.
    • The human brain is a complex organ.
    • The instructions were too complex for the children to follow.
  2. Difficult to understand or deal with because of many details or factors.
    • Modern technology is complex but fascinating.
    • The legal case became increasingly complex.
    • She wrote a complex argument that few people could follow.
Antonyms
noun
  1. A group of similar buildings or facilities on one site.
    • The sports complex has several tennis courts.
    • The new apartment complex includes a pool and a gym.
    • They work in a large office complex downtown.
  2. A strong, often unreasonable fear or dislike of something, usually from past experiences.
    • He has a complex about speaking in public.
    • Her complex about her height made her avoid crowds.
    • Many people develop a complex about failure after a big mistake.
  3. In chemistry, a substance formed by the combination of simpler substances.
    • Vitamin B12 is a complex that contains cobalt.
    • The chemist studied the structure of the protein complex.
    • A complex of iron and oxygen forms rust.
What does "complex" mean? | whatsthatwordmean | whatsthatwordmean