Simple Definition of punctilious
: very careful about behaving properly and doing things in a correct and accurate way
Full Definition of punctilious
: marked by or concerned about precise accordance with the details of codes or conventions
Examples of punctilious in a sentence
She's very punctilious about grammar.
<old-money aristocrats with a punctilious sense of propriety>
Did You Know?
A punctilio is a small point—a minor rule, or a little detail of conduct in a ceremony. A person who pays close attention to such minor details is punctilious. Punctiliousness can be valuable, especially for certain kinds of tasks, as long as you don't become so concerned about small points that you fail to pay attention to the large ones.
First Known Use of punctilious
Synonym Discussion of punctilious
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