The word "countless" in English means: Very many; too many to be counted., So numerous that it is impossible to count them..
The phonetic transcription of "countless" is /ˈkaʊntləs/ in British English and /ˈkaʊntləs/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "countless": numberless, many, uncountable, numerous, innumerable.
Example usage of "countless": "There are countless stars in the sky.". More examples on the page.