exacting
v. C1 Advanced US //ɪɡˈzæktɪŋ// UK //ɛɡzˈæktɪŋ// ex·act·ing
v. demanding very high standards and being very strict about details. You use this to describe someone who does not accept anything less than perfect.
v. demanding very high standards or being very strict in the requirements for something. Often used to describe a person's character or the nature of a task.
She is an exacting boss who never accepts poor work.
The construction project was delayed because the client was an exacting customer who wanted every detail checked twice.
The role requires an exacting attention to detail, as even the smallest error in the final report could lead to significant financial losses for the firm.
From exact + -ing.