The word ‘unreasonable’ (adjective) describes something that lacks fairness, good judgment, or logic. In this guide, you’ll learn the full definition, synonyms, antonyms, etymology, and real-life examples of how to use ‘unreasonable’ correctly in sentences.
Unreasonable Explained in Depth
A complete and detailed guide to the word Unreasonable including meaning, definition, examples, etymology, synonyms, and antonyms.
Meanings of Unreasonable
‘Unreasonable’ is used to describe behavior, demands, or expectations that go beyond what is fair, logical, or appropriate. It often implies excessiveness, lack of justification, or irrationality. Whether in relationships, negotiations, workplace decisions, or everyday conversations, labeling something as unreasonable usually signals that it defies common sense or balance.
Definition
Unreasonable means not guided by or based on good judgment, fairness, or logic. It refers to something excessive, irrational, or not supported by valid reasons. For example, an unreasonable demand might be expecting someone to work 20 hours a day with no break, or setting deadlines that ignore realistic constraints.
Etymology
The word “unreasonable” is formed by adding the prefix “un-” (meaning “not”) to “reasonable.” “Reasonable” comes from the Latin word rationabilis, derived from ratio (“reason,” “calculation,” or “logical grounds”). It entered English around the 14th century and has long been used to describe expectations or behavior that lack logic or balance.
Example Sentences
- It’s unreasonable to expect a child to sit still for hours without a break.
- She found his sudden rule changes and blame-shifting completely unreasonable.
- His fear of flying became unreasonable after years of safe travel.
- They rejected the proposal because the terms were clearly unreasonable for the budget.
- In a meeting, it can be unreasonable to demand immediate answers without reviewing the data.
Unreasonable Synonyms
- Irrational
- Unfair
- Unjust
- Excessive
- Absurd
- Overbearing
- Extreme
- Unwise
- Illogical
- Unjustified
- Immoderate
- Unbalanced
Unreasonable Antonyms
- Reasonable
- Fair
- Logical
- Justified
- Sensible
- Balanced
- Moderate
- Acceptable
- Rational
- Appropriate
FAQs about Unreasonable
Here are some frequently asked questions (FAQs) about the word “Unreasonable”.
1. What does “unreasonable” mean in simple terms?
It means something that isn’t fair, sensible, or based on good reasoning.
2. Is “unreasonable” always negative?
Usually, yes. It typically describes demands, actions, or beliefs that go too far or don’t make sense in context.
3. What’s the difference between unreasonable and irrational?
“Unreasonable” often refers to behavior, expectations, or decisions that don’t meet a fair standard. “Irrational” usually describes thoughts, beliefs, or reactions that lack logical reasoning.
4. How can you respond when someone is being unreasonable?
Stay calm, ask clarifying questions, and set clear boundaries. You can also acknowledge their perspective while stating why the demand or expectation doesn’t work (for example, by pointing to facts, limits, or agreed-upon rules).
