conservative
con‧ser‧va‧tive1 /kənˈsɜːvətɪv $ -ɜːr-/ 
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.
conservative2 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
| I |
adjective1. not liking changes or new ideas:
2. Conservative belonging to or concerned with the Conservative Party in Britain:
3. not very modern in style, taste etc
SYN traditional:
4. a conservative estimate/guess a guess which is deliberately lower than what the real amount probably is:
—conservatively adverb:
| II |
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: