Definition of "Careful" :

adjective: exercising caution or showing care or attention

"They were careful when crossing the busy street."

adjective: unhurried and with care and dignity

adjective: mindful of the future in spending money

"Careful with money."

adjective: cautiously attentive

"Careful of her feelings."

adjective: full of cares or anxiety

"Thou art careful and troubled about many things."