guardedly

guarded | American Dictionary

guarded
adjective
us/ˈɡɑr·dɪd/
careful in speech in order to avoid giving information:
The president made a guarded, lawyerly response.

guarded | Business English

guarded
adjective
uk /ˈɡɑːdɪd/us
careful not to give too much information or show how you really feel:
a guarded response
Conversation on the trading floor tends to be polite but guarded.
protected from being known, found, harmed, or taken:
carefully/closely/fiercely guardeda carefully guarded secret

guardedly

adverb
We are guardedly optimistic about the economy.