Synonyms for Untried (same or very similar meaning)
WordNet sense 1 (not yet proved or subjected to testing):
untestedWordNet sense 2 (not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered):
newWordNet sense 3 (not tried or tested by experience):
unseasoned, youngWordNet sense 4 (lacking practical experience or training):
inexperientFrom the ODE community, based on WordNetadd/edit