meticulousness

adjective

1. taking or showing extreme care about minute details; precise; thorough: a meticulous craftsman; meticulous personal appearance.
2. finicky; fussy: meticulous adherence to technicalities.

adjective

1. very precise about details, even trivial ones; painstaking

n.1862, from meticulous + -ness. Earlier in the same sense was meticulosity (1650s). adj.1530s, “fearful, timid,” from Latin meticulosus “fearful, timid,” literally “full of fear,” from metus “fear, dread, apprehension, anxiety,” of unknown origin. Sense of “fussy about details” is first recorded in English 1827, from French méticuleux “timorously fussy.” Related: Meticulosity.