1. relating to or characteristic of early human ancestors or primitive humans
Usage: scientific

1. an early human ancestor or primitive human being
Usage: scientific

Examples

• Scientists discovered protohuman fossils in the cave.
• The protohuman species lived millions of years ago.
• Researchers study protohuman behavior patterns.
• The museum displays protohuman skull fragments.
• This protohuman walked upright but had a smaller brain.
• Archaeological evidence suggests protohumans used simple tools.