English word careful comes from Old English cearu (Anxiety. Care, caution. Suffering, sorrow, grief.), Old English ċearu, Old English -ful (Full of; -ful.)
| Dictionary entry | Language | Definition |
|---|---|---|
| cearu | Old English (ang) | Anxiety. Care, caution. Suffering, sorrow, grief. |
| ċearu | Old English (ang) | |
| -ful | Old English (ang) | Full of; -ful. |
| ċearful | Old English (ang) | |
| cearful | Old English (ang) | Careful, full of care, sad. |
| careful | Middle English (enm) | |
| careful | English (eng) | (obsolete) Full of care or grief; sorrowful, sad.. (obsolete) Full of cares or anxiety; worried, troubled.. Conscientious and painstaking; meticulous.. Having care (for); attentive to potential danger, error or harm; cautious. |