developmental

Synonyms

experimental, pilot, trial;

Near Antonyms

accepted, established, standard;

tested, tried;

advanced, developed;

proved, proven;

conclusive, decisive, definitive, final, permanent;

Related Words

exploratory, investigative, probative;

preliminary, preparatory, provisional, temporary, tentative;

conjectural, hypothetical, speculative, theoretical (also theoretic);

untested, untried;

unproved, unproven;