/ ˈgɑːdɪd; NAmE ˈgɑːrdɪd/ adjective
( of a person or a remark they make ) careful; not showing feelings or giving much information
SYN cautious :
a guarded reply
You should be more guarded in what you say to reporters.
They gave the news a guarded welcome (= did not show great enthusiasm about it) .
OPP unguarded
► guard·ed·ly adverb