Meaning of CONSERVATIVE in English

CONSERVATIVE

I. con ‧ ser ‧ va ‧ tive 1 /kənˈsɜːvətɪv $ -ɜːr-/ BrE AmE adjective

1 . not liking changes or new ideas:

a very conservative attitude to education

conservative views

2 . Conservative belonging to or concerned with the Conservative Party in Britain:

Conservative policies

a Conservative MP

3 . not very modern in style, taste etc SYN traditional :

a dark conservative suit

4 . a conservative estimate/guess a guess which is deliberately lower than what the real amount probably is:

At a conservative estimate, the holiday will cost about £1,500.

—conservatively adverb :

a fortune conservatively estimated at 2 million dollars

He was conservatively dressed in a dark business suit.

II. conservative 2 BrE AmE noun [countable]

1 . Conservative someone who supports or is a member of the Conservative Party in Britain

2 . someone who does not like changes in politics, ideas, or fashion:

an argument between reformers and conservatives in the organization

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.