The word "impeccable" in English means: Perfect and without any mistakes., So good or suitable that nothing could be criticized..
The phonetic transcription of "impeccable" is /ɪmˈpek.ə.bəl/ in British English and /ɪmˈpek.ə.bəl/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "impeccable": perfect, unblemished, faultless, immaculate, flawless.
Example usage of "impeccable": "Her English is impeccable, very fluent and with perfect grammar, like native.". More examples on the page.