The adjective meticulous means being attentive, giving excessive care and being precise to every detail.
Synonyms are accurate, careful, delicate, or rigorous.
The word origins from Latin meticulosus meaning “fearful, timid” literally “full of fear” and metus meaning “fear, dread, apprehension, anxiety”.
My mother is meticulous in every way and everything she does.
Designer clothes are meticulous to make.
The plan of group A was very meticulous.