1. (noun)conservative, conservativist a person who is reluctant to accept changes and new ideas
2. (noun)Conservative a member of a Conservative Party
3. (adj)conservative resistant to change
4. (adj)conservative having social or political views favoring conservatism
5. (adj)cautious, conservative avoiding excess
"a conservative estimate"
6. (adj)button-down, buttoned-down, conservative unimaginatively conventional
"a colorful character in the buttoned-down, dull-grey world of business"- Newsweek
7. (adj)bourgeois, conservative, materialistic conforming to the standards and conventions of the middle class
"a bourgeois mentality"