From BiblePortal Wikipedia

King James Dictionary [1]

Careful, a. See Care.

1. Full of care anxious solicitous.

Martha, thou art careful and troubled about many things.  Luke 10 .

2. Provident attentive to support and protect with of or for.

Thou hast been careful for us with all care.  2 Kings 4 .

What could a careful father more have done. Dryden.

In present usage careful is generally followed by of as, careful of health.

3. Watchful cautious giving good heed as, be careful to maintain good works be careful of your conversation. 4. Filling with care or solicitude exposing to concern, anxiety or trouble full of cares.

Raised to a careful height.

Webster's Dictionary [2]

(1): (a.) Full of care; anxious; solicitous.

(2): (a.) Taking care; giving good heed; watchful; cautious; provident; not indifferent, heedless, or reckless; - often followed by of, for, or the infinitive; as, careful of money; careful to do right.

(3): (a.) Filling with care or solicitude; exposing to concern, anxiety, or trouble; painful.