Pronunciation

How to pronounce “complex

“complex” is pronounced /ˈkɑmplɛks/ (KAHM-pleks) in American English and /kɒmplɛks/ in British English, and /kəmˈplɛks/ is also accepted — 2 syllables, stressed on “comp”.
The sound

Say “complex” in 2 beats

Say it like this

complex

/ˈkɑmplɛks/

The voice you hear here is American; the British form is /kɒmplɛks/ (see the table below), and a British voice is available in the app's settings.

2 beats
  1. compkɑmstress
  2. lexplɛks
IPA (American)
/ˈkɑmplɛks/
IPA (British)
/kɒmplɛks/
Also accepted
/kəmˈplɛks/
Respelling
KAHM-pleks
Syllables
2 — COMP-lex
Stress
Stress the first syllable: COMP-lex. “comp” is longer, louder and a step higher; the other syllable falls away from it.
Part of speech
noun, adjective
Difficulty
Beginner — most learners get this on the first take
Accents

American and British are not the same here

American

/ˈkɑmplɛks/

British

/kɒmplɛks/

No audio here: sayit’s voice is American, so a British button would play the American word. Read the transcription instead.

Meaning

What “complex” means

  1. noun

    a conceptual whole made up of complicated and related parts

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

  2. noun

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

  3. noun

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

Say it in a sentence

The whole leisure complex closed for repairs last autumn.
Sound by sound

The sounds inside this word

7 sounds, in the order you say them

Each sound has its own page: where the tongue goes, what it is usually confused with, and words to drill it on.

Questions

complex”, answered

How do you pronounce “complex”?

“complex” is pronounced /ˈkɑmplɛks/ (KAHM-pleks) in American English and /kɒmplɛks/ in British English, and /kəmˈplɛks/ is also accepted — 2 syllables, stressed on “comp”. Build it as COMP-lex, then run the first syllable a little longer than the rest and let the others reduce.

How many syllables does “complex” have?

2: comp · lex. The beat lands on the first, “comp”.

Is “complex” said differently in British English?

Yes. American English says /ˈkɑmplɛks/ (KAHM-pleks); British English says /kɒmplɛks/. Both are correct — choose the accent you are learning and stay inside it.

What does “complex” mean?

As a noun: a conceptual whole made up of complicated and related parts For example: “the complex of shopping malls, houses, and roads created a new town” It carries 2 other senses as well — all of them said the same way.

Where is the stress in “complex”?

Stress the first syllable: COMP-lex. “comp” is longer, louder and a step higher; the other syllable falls away from it.

Practise this word

Now say “complex” and see every sound

Record it once and sayit lines your audio up against the target sound by sound — what landed, what slipped, and what it sounded like instead.