un ‧ doubt ‧ ed /ʌnˈdaʊtəd, ʌnˈdaʊtɪd/ BrE AmE adjective
[ Word Family: adjective : ↑ doubtful , doubtless, ↑ indubitable , ↑ undoubted ; adverb : ↑ doubtfully , ↑ indubitably , ↑ undoubtedly ; noun : ↑ doubt , ↑ doubter ; verb : ↑ doubt ]
definitely true or known to exist:
her undoubted talent
The film was an undoubted success.
—undoubtedly adverb :
That is undoubtedly true.
Undoubtedly, public interest in folk music has declined.