IPA: //pʌŋkˈtɪl.i.əs//
KK: /pʌŋkˈtɪlɪəs/
This word describes someone who is very careful about following rules and paying attention to small details.
She is punctilious about her work, ensuring that every detail is perfect.
Punctilious → It is formed from "punctum" (meaning point) and the suffix "-ious" (meaning characterized by). The word describes someone who is characterized by being precise and attentive to details, as if they are focused on every point of etiquette or conduct.
Think of someone who pays attention to every 'point' ('punctum') of behavior, which is why they are described as punctilious.