cautious (adjective)
Synonyms:
wary, circumspect, thrifty, chary, prudent, watchful, discreet, canny, cagey.
More careful synonyms
very attentive, very careful, very cautious, vigilant, precautionary, judicious, staring, steadfast, cautiously, carefully, thoroughly, meticulously, discreetly, very carefully, prudently, diligently, attentively, intently, closely, caution, scrutiny, close scrutiny, solicitous, more cautious, more careful, exercise caution, delicately, neatly, assiduous, care, accurately, thoughtfully, punctual, intense, willing,