Stick-in-the-mud

Pronunciation: /ˈstɪk- ˈɪn- ˈðə- ˈməd/

Stick-in-the-mud (noun)

  1. A person who does not like new ideas or changes and prefers the same old ways.
  2. Someone who stays behind others because they move slowly and avoid trying new things.

Examples

  • My neighbor is a stick-in-the-mud, so he avoids new ideas.
  • The manager acts like a stick-in-the-mud and refuses modern tools.