painstakingly
pains·ta·kingly
adverb
1.
in a fastidious and painstaking manner
- “it is almost a waste of time painstakingly to learn the routines of selling”
Origin
From painstaking + -ly.
Related words
Pertaining to
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.