experimental(of or pertaining to an experiment) adjective [UK: ɪk.ˌspe.rɪ.ˈmen.tl̩] [US: ɪk.ˌspe.rə.ˈmen.tl̩]Youth is wholly experimental. = La juventud es plenamente experimental.
tentative(of or pertaining to a trial or trials; essaying; experimental) adjective [UK: ˈten.tə.tɪv] [US: ˈten.tə.tɪv]