SynonymDefinitionAntonym.com - English Synonym Dictionary

Not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered

Unaffected by use or exposure

Very recently

(of crops) harvested at an early stage of development; before complete maturity

Lacking training or experience

Original and of a kind not seen before

Other than the former one(s); different

(often followed by `to') unfamiliar

Having no previous example or precedent or parallel

Used of a living language; being the current stage in its development

In use after medieval times