1. not brought up to date with modern methods, equipment, or ideas

Examples

• The unmodernized factory still used machinery from the 1950s.
• Many rural schools remain unmodernized and lack basic technology.
• The unmodernized kitchen had no dishwasher or microwave.
• His unmodernized teaching methods bored the students.
• The unmodernized building needed new plumbing and electrical systems.
• They lived in an unmodernized farmhouse without central heating.