un ‧ tir ‧ ing /ʌnˈtaɪərɪŋ $ -ˈtaɪr-/ BrE AmE adjective
working very hard for a long period of time in order to do something – used to show approval SYN tireless :
untiring efforts to help the homeless
un ‧ tir ‧ ing /ʌnˈtaɪərɪŋ $ -ˈtaɪr-/ BrE AmE adjective
working very hard for a long period of time in order to do something – used to show approval SYN tireless :
untiring efforts to help the homeless
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012