punc·til·i·ous

ˌpəNG(k)ˈtilēəs/Submit

adjective

showing great attention to detail or correct behavior.

"he was punctilious in providing every amenity for his guests"

synonyms: meticulous, conscientious, diligent, scrupulous, careful, painstaking, rigorous, perfectionist, methodical, particular, strict; More

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