Respuesta :
Answer:
lifelessly, casually, halfheartedly, sluggishly, idly, lazily, spiritlessly, Desultorily, indolently, wearily, sleepily, listlessly, lackadaisically, tiredly, languidly.
Explanation:
these are some antonyms for laboriously which means :in a way that takes considerable time and effort.
Answer:
Antonym is the opposite of something the definition of laborious means (especially of a task, process, or journey) requiring considerable effort and time.
Explanation:
done.