nõudlikud
Nõudlikud is an Estonian adjective that translates to demanding, exacting, or difficult in English. It describes a person or situation that requires a great deal of effort, attention, or compliance. When applied to a person, it suggests someone with high standards or expectations, who may be hard to please or satisfy. This can manifest in various ways, such as a demanding boss who expects perfection from their employees, or demanding parents who have stringent requirements for their children's behavior and academic performance.
In a broader sense, nõudlikud can also refer to tasks or situations that are challenging or complex.