primitive

It means that is now possible to group the hard-to-classify fossils as subgroups belonging to one of the "big three," or their more primitive ancestors, Asian Homo erectus and heidelbergensis, according to Prof Ni.

It is tempting to dismiss political violence as a leftover from some “primitive” or “frontier” stage of American history, when politicians and their supporters supposedly lacked restraint or higher moral standards.

"During this primitive stage, it is our duty to treat AI as we would our own children – empowering, but with watchful guidance."

We were no longer simple and primitive, in desperate need of the civilizing stewardship of white Christian slave owners.

The most likely prey, he told BBC News, were primitive fish that would have been covered in an armour of boney scales.