painstaking
pains·ta·king
adjective
1.
characterized by extreme care and great effort
- “conscientious application to the work at hand”
- “painstaking research”
- “scrupulous attention to details”
Origin
From pains + taking; see take pains. The /ˈpeɪnˌsteɪkɪŋ/ pronunciation which dominates in the United States suggests a reanalysis of the word as pain + staking.
Related words
Word family
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.