"meticulous" in the adjective sense
1. meticulous, punctilious
marked by precise accordance with details
"meticulous research"
"punctilious in his attention to rules of etiquette"
2. meticulous
marked by extreme care in treatment of details
"a meticulous craftsman"
"almost worryingly meticulous in his business formalities"
Source: WordNet® (An amazing lexical database of English)
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