un ‧ sung /ˌʌnˈsʌŋ◂/ BrE AmE adjective
[ Word Family: noun : ↑ singer , ↑ singing ; verb : ↑ sing ; adjective : ↑ unsung ]
not praised or famous for something you have done, although you deserve to be:
one of the unsung heroes of French politics
un ‧ sung /ˌʌnˈsʌŋ◂/ BrE AmE adjective
[ Word Family: noun : ↑ singer , ↑ singing ; verb : ↑ sing ; adjective : ↑ unsung ]
not praised or famous for something you have done, although you deserve to be:
one of the unsung heroes of French politics
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012