- new, recent, latest: Neolithic, Neozoic
- in a new, different, or modified way: neologism
- the New World: Neotropical
- designating a compound related in some way to an older one: neoprene
- indicating a hydrocarbon having at least one carbon atom joined to four other carbon atoms: neopentane
Origin of neo-Modern Latin from Classical Greek neos, young, new
- New; recent: Neolithic.
- a. New and different: neoimpressionism.b. New and abnormal: neoplasm.
- New World: Neotropical.
- Young: neoteny.
Origin of neo-Greek from neos new, young ; see newo- in Indo-European roots.