handling with kid gloves

attentive circumspect considerate distrustful frugal leery prudent suspicious vigilant watchful

alert cagey calculating canny chary discreet doubting gingerly guarded heedful keeping on one's toes on guard on the lookout on the qui vive provident safe saving sly sparing thinking twice thrifty unwasteful walking on eggs watching one's step watching out wide-awake

careless certain inattentive incautious inconsiderate indiscreet negligent

foolish heedless rash reckless