experimental Synonyms

new test pioneering exploratory avant-garde pilot trial observational novel innovative investigative tentative unconventional provisional data-based speculative unproven revolutionary conjectural untested underground radical trailblazing testing scientific preparatory temporary unready unusual untried thermonuclear prodromic investigational innovatory unproved unorthodox cutting edge way-out piolet beta tryout groundbreaking forward-looking provisionary prodromal heedy explorative experimentally experiment experiential