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unreasonable

adjective

Simple meaning

Not reasonable; not showing good judgment.

Pronunciation

Say it like this:

uhnreeznuhbuhl

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US device voice
IPA pronunciation (US)

ənˈɹiznəbəl

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

adjective

  1. Not reasonable; not showing good judgment

  2. Not reasonable; going beyond what could be expected or asked for.

  3. Without the ability to reason; unreasoning.

Word at a Glance

Difficulty
B2 · Upper Intermediate (estimated)
Frequency
Moderately Common
Typical Use
Neutral / general English

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: Not reasonable; not showing good judgment

Used this way, unreasonable is a reasonably familiar word with a clearly unfavourable pull. It usually sounds natural in a wide range of settings.

Emotional tone
Negative
Formality
Neutral
Intensity
Moderate
How common
Moderately common
Connotation
Serious and weighty
Usage feel
Neutral and straightforward

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

More ways to use unreasonable

  • “It was completely unreasonable to expect us to finish all that work today.”adjective

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Common Patterns and Combinations

How this word naturally appears with others.

unreasonable searchesunreasonable demandsunreasonable restraint

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Word Family

Related forms, grouped by how they connect.

Word family

Words built from the same root.

  • unreasonablyadverbDerived adverb

    Not in a reasonable or intelligent manner.

More about this wordSynonyms, forms, origin

Antonyms

Sense: not reasonable

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.