careful

Entry Definition
s/he is careful with (of, about) h/; s/he watches out for h/
s/he is careful with (of, about) it; s/he watches out for it (so as to avoid breaking it or bumping into it, etc.)
s/he is careful with (about, of) something belonging to h/
s/he is careful; s/he watches where s/he is going, watches what s/he is doing
s/he uses it well, uses it carefully, uses it economically
s/he is cautious, is circumspect, is very careful