un·stint·ing 
/ˌʌnˈstɪntɪŋ/ adjective
/ˌʌnˈstɪntɪŋ/ adjective [more unstinting; most unstinting] formal — used to say that someone gives something (such as praise or support) in a very strong and generous way ▪ He was unstinting in his praise of her efforts. [=he praised her efforts very highly] ▪ unstinting support
— un·stint·ing·ly adverb
▪ She gave unstintingly of her time.
▪ She gave unstintingly of her time.
