How do you divide undeveloped into syllables?

Undeveloped divides as un-de-vel-oped.

Which syllable is stressed in undeveloped?

The third syllable (un-de-VEL-oped).

Syllables in undeveloped

un·de·vel·oped

Undeveloped has four syllables. The stress falls on the third syllable.

Pronunciation	/ˌʌndɪˈvɛləpt/ 4 syllables, un-de-VEL-oped · da-da-DUM-da
Stress	Third syllable
Letters	11

To count it yourself, say undeveloped slowly and listen for each vowel sound: un, de, vel, oped. Each beat is one syllable.

How many syllables are in undeveloped?: Undeveloped has four syllables.
How do you divide undeveloped into syllables?: Undeveloped divides as un-de-vel-oped.
Which syllable is stressed in undeveloped?: The third syllable (un-de-VEL-oped).