meticu- +

1. A condition whereby someone is extremely careful and precise.
2. Being extremely or excessively concerned with details.

1. Taking or showing extreme care about minute details; being precise and thorough: "My father was always a meticulous craftsman."
2. Meticulous adherence to technicalities.
3. Marked by extreme care in the treatment of details; synonyms: painstaking, careful, scrupulous, fastidious (concern), and punctilious (minute details of conduct).
4. Etymology: from Latin meticulosus, "fearful, timid"; literally, "full of fear", from metus, "fear".

In the sense of "fussy about details" was first recorded in English in 1827, from French méticuleux.

A meticulous person is very careful because he, or she, is "afraid" not to be.

1. A reference to being extremely careful and precise.
2. Characterized by being excessively concerned with details.
3. In a meticulous manner.

1. Strict attention to minute details.
2. Being very careful and paying great attention to every detail.