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English definition of “cautious”

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cautious

adjective uk   /ˈkɔː.ʃəs/ us    /ˈkɑː-/
B2 Someone who is cautious avoids risks: He's a cautious driver.B2 A cautious action is careful, well considered, and sometimes slow or uncertain: a cautious approach cautious criticismcautious optimism a feeling that there are some reasons to hope for a good result, even if you do not expect complete success or improvement
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cautiously
adverb uk   /-li/ us  
in a cautious way
cautiousness
noun [U] uk   /-nəs/ us  
(Definition of cautious from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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