1. people who lived in caves in prehistoric times
Usage: historical
2. people who are regarded as being deliberately ignorant or old-fashioned
Usage: derogatory

Examples

• Archaeologists discovered cave paintings created by ancient troglodytes.
• The museum exhibit showed how troglodytes lived thousands of years ago.
• Some troglodytes used fire and simple tools for survival.
• He called his neighbors troglodytes for refusing to use modern technology.
• The politician dismissed his opponents as troglodytes stuck in the past.
• She felt like she was surrounded by troglodytes who couldn’t adapt to change.