- unseasoned, untested, untried - not tried or tested by experience; "unseasoned artillery volunteers"; "still untested in battle"; "an illustrator untried in mural painting"
Antonym: experienced (indirect, via inexperienced)
- untested, untried - not yet proved or subjected to testing; "an untested drug"; "untested theory"; "an untried procedure"
Antonym: old (indirect, via new)