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Showing results for complex. Search instead for komplexa.
Definitions

complex

[kuhm-pleks, kom-pleks, kom-pleks] / kəmˈplɛks, ˈkɒm plɛks, ˈkɒm plɛks /
ADJECTIVE
involved, intricate
Synonyms
STRONGEST
complicated convoluted
STRONG
composite compound conglomerate manifold mosaic motley multiple multiplex
WEAK
circuitous compounded confused elaborate entangled heterogeneous knotty labyrinthine mingled miscellaneous mixed mixed-up multifarious multiform tangled tortuous variegated
Antonyms
STRONGEST
simple
STRONG
single uniform unmixed
WEAK
apparent clear direct discernible easy evident homogeneous obvious plain
ADJECTIVE
difficult to understand
Synonyms
STRONGEST
complicated convoluted disturbing intricate obscure perplexing sophisticated
STRONG
byzantine winding
WEAK
Daedalean Gordian abstruse bewildering circuitous confused crabbed cryptic discursive disordered enigmatic entangled excursive hidden impenetrable inscrutable interwoven involved jumbled knotted knotty labyrinthine mazy meandering mingled mixed muddled paradoxical puzzling rambling recondite round-about sinuous snarled tangled tortuous undecipherable unfathomable
Antonyms
STRONGEST
easy simple
WEAK
apparent clear direct discernible evident homogeneous obvious plain uniform
NOUN
composite, aggregate
Synonyms
STRONGEST
compound network structure system
STRONG
association conglomerate ecosystem entanglement group organization scheme syndrome synthesis totality
Antonyms
STRONG
division separation
NOUN
psychological problem
Synonyms
STRONG
anxiety fear fixation hang-up insanity mania neurosis obsession phobia preoccupation repression
WEAK
a thing about something exaggerated reaction fixed idea idée fixe
Antonyms
STRONG
balance sanity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“I do think this fertility crisis is a really complex one where there are lots of reasons and related and unrelated factors that are affecting people’s decisions to have children.”

From Salon • Apr. 18, 2026

The game also missed out on the narrative award, which went to Kingdom Come: Deliverance 2 - a role-playing game with a complex story that changes in response to player actions.

From BBC • Apr. 17, 2026

With its infinite possibilities and variations, baseball can feel as complex as life itself.

From The Wall Street Journal • Apr. 17, 2026

As the AI industry shifts from training to inference, or the process of running AI models, memory chips have become crucial to supporting larger, more complex models that can reason.

From MarketWatch • Apr. 17, 2026

Zigzags and complex geometric shapes filled in the spaces between the figures.

From "Healer of the Water Monster" by Brian Young

Vocabulary lists containing complex

Academic Vocabulary: Core Tier 2 Words, List 2

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

The Catcher in the Rye

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Vocabulary from "Stop Expecting Games to Build Empathy" by Julie Muncy

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!