unstuffy
un stuff y |ˌənˈstəfē ənˈstəfi | ▶adjective 1 friendly, informal, and approachable: colorful and unstuffy periodicals. 2 having fresh air or ventilation.
un |stuffy |ʌnˈstʌfi | ▶adjective ( unstuffier, unstuffiest ) 1 not old-fashioned or formal in manner or behaviour: she was unstuffy and always approachable. 2 having fresh air or ventilation.