Definition of cautious
: careful about avoiding danger or risk <cautious investors> <cautious optimism>
Examples of cautious in a sentence
Any cautious tourist will guard her passport.
You cannot be overly cautious when you're driving in snow.
He answered the question with a cautious reply.
Origin and Etymology of cautious
First Known Use: 1614
Synonym Discussion of cautious
CAUTIOUS Defined for English Language Learners
Definition of cautious for English Language Learners
: careful about avoiding danger or risk
CAUTIOUS Defined for Kids
Definition of cautious for Students
: showing or using care to avoid trouble or danger
Seen and Heard
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