The plain meaning of the word "unreasonable" is not based on or in accordance with good sense or logic. It refers to behavior, actions or demands that are considered illogical, irrational or unjustified.
Usage examples
The landlord's demand for a rent increase of 50% was deemed unreasonable by the tenants.
The teacher's expectation for students to complete a complex project within a day seemed unreasonable.
The CEO's decision to cut employee benefits without consulting the staff was considered unreasonable.
The customer's demand for a full refund after using and damaging the product for several months was seen as unreasonable.
The government's decision to pass a law without considering public opinion was criticized as unreasonable.
It isn't unreasonable for parents to walk into their child's school and expect the air to be free from harmful contaminants. (qaeducation.co.uk)
It's not unreasonable for banks to be selective in who they lend to, especially given their squeezed margins. (coindesk.com)
There is no mention of the right to trial by jury, the right to be free of unreasonable search and seizure, nor the right to free speech and freedom of religion. (religion.blogs.cnn.com)