What are the opposite words for efficiently?

Efficiently is an adverb that describes the ability to perform tasks in a productive and timely manner. The opposite of efficiently can be described using numerous antonyms such as inefficiently, ineffectively, inadequately, unproductively, sluggishly, tardily, and slowly. Efficiency is about accomplishing tasks with the least amount of waste, effort, and time. Therefore, antonyms of efficiently can mean different things. For instance, if something is performed inadequately, it means it has not been done to its required standard, while unproductively means that it results in little or no output or yield. Antonyms of efficiently have their unique implications and may adversely affect an individual, organization, or situation.

Antonym of the day

dry, pass up, underwhelm.