developmental

developmental

adjective

Definition of DEVELOPMENTAL

made or done as an experiment <developmental weaponry that is classified as top secret by the Pentagon>

Synonyms developmental, pilot, trial

Related Words exploratory, investigative, probative; preliminary, preparatory, provisional, temporary, tentative; conjectural, hypothetical, speculative, theoretical (also theoretic); untested, untried; unproved, unproven

Near Antonyms accepted, established, standard; tested, tried; advanced, developed; proved, proven; conclusive, decisive, definitive, final, permanent