"Circumspect wary" is a phrase used to describe a cautious and careful attitude towards a situation. Synonyms for this phrase include vigilant, guarded, watchful, attentive, and prudent. Being vigilant means being alert and aware of possible dangers. Being guarded means being careful and cautious about what one says or does. Being watchful means being observant and attentive to details. Being attentive means paying close attention to what is happening around you. Being prudent means being thoughtful and careful about making decisions. All of these synonyms emphasize the need to be cautious and careful in a situation to avoid any potential negative consequences.