B1 Adjective #11 가장 일반적인 4분 분량

unwise

An unwise decision is one that is not smart and might lead to trouble.

Explanation at your level:

An unwise choice is a bad choice. If you do something that is not smart, it is unwise. For example, if it is raining and you go out without an umbrella, that is unwise. You might get wet! It is better to be careful and think before you do things.

When you make an unwise decision, you are not using good sense. It is like doing something that will make you feel sad or sorry later. For example, staying up very late before a big test is unwise. You will be tired the next day. Always try to think about what will happen next!

The word unwise is used to describe actions that lack good judgment. It is a polite way to say that someone made a mistake or a poor choice. For instance, 'It is unwise to spend all your money on toys.' It suggests that the person should have thought more carefully about the future. It is a very useful word for giving advice to friends or colleagues.

Using unwise allows you to express disapproval without being overly aggressive. It is often used in professional or serious contexts to highlight that a strategy or action might lead to negative consequences. You might hear, 'It would be highly unwise to proceed without more information.' This shows you are being cautious and analytical about the situation.

In advanced English, unwise functions as a nuanced descriptor for imprudent behavior. It is frequently employed in academic or formal writing to critique policies or personal choices. Unlike 'stupid,' which attacks intelligence, 'unwise' targets the process of decision-making. It implies a failure to weigh risks against benefits. For example, 'The government's decision to cut funding was widely considered unwise due to the long-term economic impact.' It conveys a sense of measured judgment.

At the C2 level, unwise is understood as a subtle tool for rhetorical critique. It carries the weight of 'imprudence' and 'short-sightedness.' In literature and high-level discourse, it often characterizes characters or figures who possess knowledge but fail to apply it—a tragic flaw. It is distinct from 'foolish,' which can imply a lack of mental capacity, whereas 'unwise' implies a failure of wisdom. When you describe a decision as 'profoundly unwise,' you are suggesting a deep-seated disconnect between action and foresight, often invoking a sense of inevitable regret that mirrors classical Greek tragedy.

30초 단어

  • Unwise means lacking good judgment.
  • It is a neutral, useful adjective.
  • Commonly used with 'to' + verb.
  • It is the opposite of 'wise'.

Hey there! Let's talk about the word unwise. When we call something unwise, we are essentially saying it lacks wisdom. It’s like when you decide to wear flip-flops in a snowstorm—that’s a classic example of an unwise choice!

Think of it as the opposite of being smart or cautious. It doesn't necessarily mean you are a bad person, but it does mean you didn't think about the consequences before acting. We use this word when we want to gently point out that a decision might lead to a headache or a regretful situation later on.

It’s a very handy word because it’s a bit more polite than saying someone is 'stupid.' It focuses on the action rather than the person. So, next time you see someone doing something risky, you can say, 'I think that might be an unwise move,' and you'll sound both smart and kind!

The word unwise has a very straightforward history. It comes from the Old English word unwis, which is a combination of the prefix un- (meaning 'not') and wis (meaning 'wise' or 'learned').

It has been part of the English language since the Middle Ages. The root wise itself comes from the Proto-Germanic wissaz, which is related to the idea of 'knowing' or 'seeing.' So, to be 'wise' is to have clear vision about the world, and to be 'unwise' is to lack that clarity.

Interestingly, while many words change their meaning over centuries, unwise has stayed remarkably consistent. It has always been used to describe someone who doesn't have the foresight to see how their actions will end. It’s a great example of how simple prefixes like un- have helped English speakers build a massive vocabulary over the last thousand years!

You can use unwise in both formal and casual settings. It’s a versatile word that fits well in a business meeting—'It would be unwise to ignore these market trends'—or in a friendly chat—'It was unwise to leave the door unlocked.'

Commonly, we pair it with 'to' + verb, like 'It is unwise to rush.' You will also hear it used with adverbs, such as 'highly unwise' or 'extremely unwise,' to add emphasis to how bad a decision is.

While it is a standard word, be careful not to over-use it in very casual slang situations, as it can sound a little bit 'proper' or stiff. In very informal settings, people might prefer to say 'dumb' or 'not a good idea,' but if you want to sound thoughtful and articulate, unwise is your best friend.

While unwise itself isn't the core of many idioms, it describes the situations that lead to them! Here are a few related expressions:

  • Look before you leap: Means don't be unwise by acting without thinking.
  • Hindsight is 20/20: Used when you realize an action was unwise after it already happened.
  • Bite off more than you can chew: An unwise choice to take on too much work.
  • Penny wise and pound foolish: An unwise way of managing money by saving small amounts but losing big ones.
  • Burn your bridges: An unwise action that ruins your future opportunities.

Grammatically, unwise is a simple adjective. It doesn't have a plural form because it describes nouns, not things. You will often see it used after the verb 'to be' (e.g., 'That was unwise').

Pronunciation-wise, it sounds like un-WYZE. The 's' makes a 'z' sound, which is a common pattern in English adjectives ending in '-ise' or '-ize.' The stress is on the second syllable: un-WISE.

It rhymes with words like size, prize, wise, rise, and eyes. If you want to use it as an adverb, you have to add '-ly' to make it unwisely. For example: 'He acted unwisely by ignoring the warnings.' It's a very regular word, which makes it easy to master!

Fun Fact

It has kept its prefix 'un-' for over a thousand years.

Pronunciation Guide

UK /ʌnˈwaɪz/

Clear 'un' followed by 'wise' with a z sound.

US /ʌnˈwaɪz/

Similar to UK, very standard.

Common Errors

  • Pronouncing the 's' as an 's' instead of 'z'
  • Stressing the first syllable
  • Adding an extra vowel between n and w

Rhymes With

wise size prize rise eyes

Difficulty Rating

독해 1/5

Easy to read

Writing 2/5

Easy to use

Speaking 2/5

Easy to speak

듣기 1/5

Easy to hear

What to Learn Next

Prerequisites

wise smart good

Learn Next

imprudent reckless injudicious

고급

short-sighted ill-advised

Grammar to Know

Adjective usage

He is wise.

Infinitive patterns

It is good to learn.

Prefixes

Un-happy, Un-wise.

Examples by Level

1

It is unwise to run in the house.

unwise = not smart

adjective after verb

2

Eating too much candy is unwise.

candy = sweets

gerund as subject

3

It is unwise to play with fire.

fire = dangerous

infinitive phrase

4

Don't be unwise today.

be = verb

imperative

5

That was an unwise choice.

choice = decision

adjective before noun

6

Is it unwise to go out?

go out = leave house

question form

7

It is unwise to sleep late.

late = not early

infinitive

8

Being unwise is not good.

not good = bad

gerund

1

It was unwise to leave the window open.

2

She made an unwise decision about her job.

3

It is unwise to trust a stranger.

4

He realized his plan was unwise.

5

Don't make an unwise move now.

6

It is unwise to ignore the rules.

7

They had an unwise argument.

8

It feels unwise to go there alone.

1

It would be unwise to change your mind now.

2

The manager made an unwise investment.

3

It is highly unwise to drive while tired.

4

His unwise comment caused a lot of trouble.

5

She regretted her unwise decision to quit.

6

It is unwise to assume everything is fine.

7

The team made an unwise choice of leader.

8

It is never wise to be unwise.

1

It is arguably unwise to rely on one source.

2

The policy change was deemed unwise by many.

3

He acted in an unwise manner during the crisis.

4

It is unwise to underestimate the competition.

5

She gave him some unwise advice.

6

The decision was clearly unwise in hindsight.

7

It is unwise to provoke a conflict.

8

They were unwise to ignore the warnings.

1

It was an unwise departure from their usual strategy.

2

The move was widely criticized as being fundamentally unwise.

3

He displayed an unwise lack of caution.

4

It is unwise to conflate luck with skill.

5

The senator's unwise remarks cost him the election.

6

Such an unwise course of action will lead to ruin.

7

It is unwise to disregard the historical context.

8

Her unwise insistence on perfection stalled the project.

1

His unwise insistence on total control proved his undoing.

2

The project was doomed by a series of unwise maneuvers.

3

It is an unwise endeavor to challenge the status quo.

4

The king's unwise decree led to the uprising.

5

One must be wary of making unwise concessions.

6

It is an unwise man who ignores his own history.

7

The strategy was characterized by an unwise optimism.

8

Such an unwise pursuit of power often ends in tragedy.

자주 쓰는 조합

highly unwise
extremely unwise
unwise decision
unwise choice
unwise to
unwise move
unwise action
unwise comment
unwise investment
unwise policy

Idioms & Expressions

"Hindsight is 20/20"

Realizing something was unwise after the fact.

I shouldn't have gone; hindsight is 20/20.

casual

"Look before you leap"

Think before acting to avoid being unwise.

You should look before you leap.

neutral

"Penny wise, pound foolish"

Saving small amounts but losing big ones.

Don't be penny wise and pound foolish.

neutral

"Bite off more than you can chew"

Taking on an unwise amount of work.

I think I bit off more than I could chew.

casual

"Burn your bridges"

Doing something unwise that ruins your future.

Don't burn your bridges at work.

neutral

Easily Confused

unwise vs Unwise vs Foolish

Both mean not smart.

Foolish is slightly more informal/emotional.

That was a foolish mistake vs That was an unwise decision.

unwise vs Unwise vs Imprudent

Both mean lacking judgment.

Imprudent is much more formal.

The bank made an imprudent loan.

unwise vs Unwise vs Reckless

Both imply bad outcomes.

Reckless implies danger/risk.

Reckless driving is dangerous.

unwise vs Unwise vs unwise-ly

Adjective vs Adverb.

Adjective describes nouns; adverb describes verbs.

An unwise choice vs He acted unwisely.

Sentence Patterns

A1

It is unwise to [verb]

It is unwise to wait.

A2

That was an unwise [noun]

That was an unwise choice.

B1

It would be unwise to [verb]

It would be unwise to leave.

B2

He made an unwise [noun]

He made an unwise comment.

C1

It is highly unwise to [verb]

It is highly unwise to ignore it.

어휘 가족

Nouns

unwisdom The state of being unwise.

Adjectives

unwise Not wise.

관련

wise antonym

How to Use It

frequency

7

Formality Scale

imprudent (formal) unwise (neutral) not smart (casual) dumb (slang)

자주 하는 실수

Unwise-ly (as adjective) Unwise
Unwise is an adjective, not an adverb.
Very unwise (redundant) Highly unwise
Highly sounds more natural with unwise.
Unwise to + noun Unwise to + verb
Unwise is followed by an infinitive verb.
Unwise of (misuse) It is unwise of [person] to...
You need the person after 'of'.
Unwise as a verb Act unwisely
Unwise is not a verb.

Tips

💡

Memory Palace Trick

Imagine a 'wise' owl wearing glasses, then take the glasses off (UN-wise).

💡

When Native Speakers Use It

When giving professional advice.

🌍

Cultural Insight

Used often in British English for polite criticism.

💡

Grammar Shortcut

Always follow with 'to' + verb.

💡

Say It Right

Make sure the 's' sounds like a buzzing 'z'.

💡

Don't Make This Mistake

Don't use it as an adverb.

💡

Did You Know?

It has been in English for over 1000 years.

💡

Study Smart

Learn it with its antonym 'wise'.

💡

Writing Tip

Use it to make your writing sound more objective.

💡

Speaking Tip

Use it to disagree politely.

Memorize It

Mnemonic

UN (not) + WISE = Not Wise.

Visual Association

A person wearing a winter coat in the summer heat.

Word Web

bad decision lack of judgment regret caution

챌린지

Write three sentences about things that are unwise to do at school.

어원

Old English

Original meaning: Not having knowledge or wisdom.

문화적 맥락

None, it is a neutral but firm word.

Used in both casual advice and formal political critique.

Often used in classic literature to describe tragic heroes.

Practice in Real Life

Real-World Contexts

At work

  • unwise decision
  • unwise strategy
  • unwise to proceed

Giving advice

  • it is unwise to
  • don't be unwise
  • highly unwise

Academic writing

  • deemed unwise
  • fundamentally unwise
  • unwise policy

Daily life

  • unwise move
  • unwise choice
  • unwise to trust

Conversation Starters

"Can you think of an unwise decision you made recently?"

"Why do you think people make unwise choices?"

"Is it better to be wise or to learn from being unwise?"

"What is an unwise thing to do in a job interview?"

"How can we help friends who are being unwise?"

Journal Prompts

Describe a time you were unwise and what you learned.

Write about a character who makes an unwise choice.

Is it always bad to be unwise? Why or why not?

How does being unwise affect your future?

자주 묻는 질문

8 질문

No, unwise focuses on the action, while stupid can be an insult to intelligence.

Yes, but 'highly unwise' is more common.

It is neutral and fits in most situations.

Unwisely.

No, it is an adjective.

Usually for actions or decisions, not objects.

Yes, it describes a negative quality.

Un-WYZE.

셀프 테스트

fill blank A1

It is ___ to play with knives.

정답! 아쉬워요. 정답: unwise

Unwise means not smart/dangerous.

multiple choice A2

Which sentence is correct?

정답! 아쉬워요. 정답: It is unwise to run.

Unwise is followed by to + verb.

true false B1

An 'unwise' person always makes good decisions.

정답! 아쉬워요. 정답: 거짓

Unwise means they make bad decisions.

match pairs B1

Word

All matched!

These are opposites.

sentence order B2

아래 단어를 탭해서 문장을 만들어 보세요
정답! 아쉬워요. 정답:

Correct structure is It + is + unwise + to + verb.

fill blank B2

His decision to quit was highly ___.

정답! 아쉬워요. 정답: unwise

Highly unwise is a common collocation.

multiple choice C1

What does 'injudicious' mean in relation to 'unwise'?

정답! 아쉬워요. 정답: Synonym

Both mean lacking judgment.

true false C1

You can use 'unwise' as a noun.

정답! 아쉬워요. 정답: 거짓

Unwise is strictly an adjective.

match pairs C2

Word

All matched!

Synonyms in context.

sentence order C2

아래 단어를 탭해서 문장을 만들어 보세요
정답! 아쉬워요. 정답:

The decision was clearly unwise.

점수: /10

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