1. Working with great effort, care, and attention to detail; toiling with meticulous attention
She was laboring painstakingly over the manuscript, checking every word.
Ela estava trabalhando laboriosamente sobre o manuscrito, verificando cada palavra.
2. Engaging in difficult or arduous work with slow, deliberate care
The craftsman labored painstakingly to create the intricate design.
O artesão trabalhou laboriosamente para criar o design intrincado.