Oxford Dictionary
unspoilt
unspoilt |ʌnˈspɔɪlt |(also unspoiled ) ▶adjective not spoilt, in particular (of a place ) not marred by development: unspoilt countryside.
Oxford Thesaurus
unspoilt
unspoilt adjective 1 unspoilt countryside: unimpaired, preserved, intact, as good as new /before, perfect, spotless, pristine, immaculate, virgin, unblemished, unharmed, unbroken, unflawed, undamaged, unmutilated, untouched, unmarked, untainted, unaffected, unchanged. ANTONYMS spoilt, devastated, overdeveloped. 2 a noble and unspoilt man: innocent, wholesome, natural, simple, artless, unaffected, pure, uncorrupted, unsullied, undefiled, unblemished, untarnished, stainless, spotless, impeccable. ANTONYMS spoilt, corrupt.