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How to pronounce "complex"

complex

Adjective
American
/ˈkɑːm.plɛks/

Syllable Breakdown

com plex

How natives say complex

British
/ˈkɒm.plɛks/

Syllable Breakdown

com plex

How natives say complex

Pronunciation Guide In American

Pronunciation Steps

  • Start with the 'com' sound, using an open back unrounded vowel /ɑː/ and pronounce like 'calm' without the 'l'.

  • Move to the 'plex' sound, with a close-mid front unrounded vowel /ɛ/ and a soft 'x' sound as in 'fox'.

  • Stress the first syllable: 'COM-plex'.

Common Mistakes

  • saying 'comp-lex' (comp-lex)

  • misplacing stress (com-PLEX)

  • using /oʊ/ sound (comp-lox)

Pronunciation Guide In British

Pronunciation Steps

  • Begin with 'com' using an open back rounded vowel /ɒ/, similar to the BrE 'cot'.

  • Next, say 'plex' with a mid front unrounded vowel /ɛ/ and end with a soft 'x' sound.

  • Put stress on the first syllable: 'COM-plex'.

common mistakes

  • saying 'comp-lex' (comp-lex)

  • misplacing stress (com-PLEX)

  • substituting /oʊ/ sound (comp-lox)

FAQ

Why is the stress on the first syllable?

The word 'complex' as an adjective generally has the stress on the first syllable.

What is the difference between 'plex' and 'plecks'?

Both have similar endings but 'plex' uses /ɛ/ and has a soft 'x' sound.

How to avoid saying 'comp-lex'?

Focus on grouping sounds into two syllables: 'com' and 'plex'.

Definition

complex

Something with many parts; not simple.

Word Family

complexity

/kəmˈplɛk.sɪ.ti/

noun

The state of being complex

Example: The complexity of the task surprised them.

complicate

/ˈkɒmplɪkeɪt/

verb

To make something more difficult

Example: Don't complicate things.

complextion

/kəmˈplɛkʃən/

noun

The nature or quality of being complex

Example: The complextion of the issue is clear.

Key Pronunciation Differences

Complexity has a different stress pattern

- stress is on the second syllable.

Complicate starts with a similar 'com' but ends with /keɪt/ not /plɛks/.

Complextion includes a /ʃən/ ending, different from /plɛks/.

Pro Tips

Stress the First Syllable

Remember that the 'COM' in 'complex' is stressed to help distinguish it from other forms.

Remember Vowel Sounds

The 'com' part changes in different accents; practice BrE and AmE differences.

Nearby Words

Test Your Pronunciation On Words That Have Sound Similarities With Complex

advocacy

[ˈædvəkəsi]

alley

/ˈæ.li/

associate

/əˈsoʊʃiˌeɪt/

charitable

/ˈtʃær.ɪ.tə.bəl/

charity

/ˈtʃær.ɪ.ti/

citizen

/ˈsɪtɪzən/

city

/ˈsɪti/

civic

/ˈsɪvɪk/

Other Categories

Test Your Pronunciation On Words Within Other Categories

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