Unreasonable

/ʌnˈriː.zən.ə.bəl/

Meaning & Definition

adjective
Not guided by or based on good sense or reason; irrational or excessive.
His demands for a higher salary were deemed unreasonable by the management.
Inadequate in terms of fairness, logic, or appropriateness.
The judge ruled that the conditions of the contract were unreasonable.
Not based on solid argument or justification.
It's unreasonable to expect the team to finish the project in such a short time frame.
Overly demanding or extravagant.
She found his request for a last-minute trip to be completely unreasonable.
Unjustifiable or not making sense.
The tech support representative's refusal to help seemed unreasonable.

Etymology

From the prefix 'un-' meaning 'not' and 'reasonable' from Old French 'raisunable'.

Common Phrases and Expressions

unreasonable demands
expectations or requests that are not fair or achievable.
unreasonable behavior
actions that are not justified by circumstances.
unreasonable prices
costs that are excessively high or unjustified.

Related Words

reason
a cause or explanation for an action or event.
rational
based on reason or logic.
judgment
the ability to make considered decisions or come to sensible conclusions.

Slang Meanings

totally over the top
That request is totally over the top, it's just unreasonable.
out of line
Her reaction was completely out of line and unreasonable.