General Opposites:
* Carelessly: This is the most direct opposite, meaning to do something without paying attention or taking precautions.
* Rashly: This implies acting hastily or without thinking things through.
* Negligently: This implies a lack of care or attention to duty.
* Thoughtlessly: This emphasizes a lack of consideration or planning.
Contextual Opposites:
* Quickly: If "carefully" refers to taking time, the opposite could be doing something quickly.
* Roughly: If "carefully" refers to doing something precisely, the opposite could be doing it roughly.
* Forcefully: If "carefully" refers to gentle handling, the opposite could be forceful.
Example:
* "She carefully packed her belongings."
* Opposite: "She carelessly threw her belongings into the suitcase."
It's important to consider the specific meaning of "carefully" in the sentence to determine the most appropriate opposite.