recently built, invented, made, etc.
original and of a kind not seen before
lacking training or experience
having no previous example or precedent or parallel
other than the former one(s); different
unaffected by use or exposure
(of crops) harvested at an early stage of development; before complete maturity
(often followed by `to') unfamiliar
used of a living language; being the current stage in its development
in use after medieval times
very recently