1 adj Someone who is cautious acts very carefully in order to avoid possible danger.
oft ADJ about n/-ing
(=careful) (Antonym: rash)
The scientists are cautious about using enzyme therapy on humans..., He is a very cautious man.
cautiously adv usu ADV with v, also ADV adj
David moved cautiously forward and looked over the edge..., Cautiously, he moved himself into an upright position.
2 adj If you describe someone's attitude or reaction as cautious, you mean that it is limited or careful.
(=circumspect) (Antonym: rash)
He has been seen as a champion of a more cautious approach to economic reform.
cautiously adv usu ADV adj, also ADV with v (Antonym: rashly)
I am cautiously optimistic that a new government will be concerned and aware about the environment..., Rebel sources have so far reacted cautiously to the threat.
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