prehistoric
/ˌpriːhɪˈstɔːrɪk/
adjective
- Relating to the time before written records were kept.
- Scientists study prehistoric fossils to learn about early life.
- The cave paintings date back to prehistoric times.
- Prehistoric humans used stone tools for hunting.
- Extremely old-fashioned or outdated.
- Her prehistoric ideas about education don't work in modern classrooms.
- My dad's prehistoric cell phone can only make calls.
- That computer is so prehistoric it takes ten minutes to start up.
Antonyms