Experimental Experimental synonyms trial experimental and trial empirical experimental and empirical pilot experimental and pilot tentative experimental and tentative test experimental and test experiential experimental and experiential preliminary experimental and preliminary observational experimental and observational speculative experimental and speculative provisional experimental and provisional Full list of synonyms (632) Experimental antonyms theoretical experimental and theoretical tried experimental and tried tested experimental and tested proven experimental and proven unproven experimental and unproven unempirical experimental and unempirical nonempirical experimental and nonempirical visionary experimental and visionary transcendentalist experimental and transcendentalist metaphysical experimental and metaphysical Full list of antonyms (28) Share this picture Share this image Share this picture Share this image