The word "undisciplined" in English means: Not following rules or a code of behavior., Lacking in self-control; unable to make yourself do things you should do..
The phonetic transcription of "undisciplined" is /ˌʌndɪˈsɪplɪnd/ in British English and /ˌʌndɪˈsɪplɪnd/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "undisciplined": unruly, disorderly, uncontrolled, lax.
Example usage of "undisciplined": "The undisciplined child always runs around.". More examples on the page.