One entry found for thorough.

Main Entry: thor·ough
Pronunciation: thr-, th-r
Function: adjective
Etymology: Middle English thorow "thorough," from Old English thuruh, thurh "through" --related to THRILL, THROUGH --see Word History at THRILL
1 : marked by or carried out to completion : EXHAUSTIVE <a thorough search>
2 : careful about detail <a thorough worker>
- thor·ough·ly adverb
- thor·ough·ness noun