useful
Something that helps you do a job or solve a problem.
Explanation at your level:
Something is useful if it helps you. A pen is useful for writing. A map is useful for finding your way. If you have a problem, a useful thing helps you fix it. You can say, 'This book is very useful for my English class.'
When you need to finish a task, you look for useful things. For example, a calculator is a useful tool for math. You can also give useful advice to a friend. It means the information is good and helps them do something better.
In this level, useful often refers to resources or skills. You might say, 'Learning to cook is a very useful skill.' It implies that the thing has practical value in your daily life. We often use it with 'very' or 'quite' to describe how much help something provides.
At this level, you can use useful to describe abstract concepts like 'useful data' or 'a useful strategy'. It is a reliable adjective for professional contexts. You might also hear 'come in useful', which is a common phrasal construction for future utility.
As an advanced learner, you can use useful to nuance your arguments. Instead of saying 'good', you can specify that something is 'highly useful' or 'not particularly useful'. It is frequently used in academic writing to evaluate theories or methodologies. You might discuss the 'useful application' of a new scientific discovery.
At the mastery level, useful is a staple of analytical discourse. You might explore the 'utility' (the noun form) of a concept, but 'useful' remains the go-to adjective for clarity. It is used in literary criticism to describe the function of a character or a motif. It is precise, functional, and essential for clear communication across all domains of English.
30秒词汇
- Adjective
- Means helpful
- Used for things
- Common word
When we call something useful, we mean it has a purpose. It is not just sitting there looking pretty; it is actively helping us finish a task, learn something new, or solve a tricky problem.
Think of your favorite Swiss Army knife or a search engine. These are perfect examples because they provide a specific benefit. You use them to make your life smoother or more efficient.
In conversation, you might say, 'That was a useful tip!' This means the advice you received actually helped you improve. It is a very positive word that highlights the value of an object, a person's help, or even a piece of information.
The word useful comes from the Middle English word use, which traces back to the Old French user and the Latin usus, meaning 'to use' or 'enjoyment'.
The suffix -ful is a Germanic addition meaning 'full of'. So, literally, something useful is 'full of use'. It has been part of the English language since the 14th century, evolving from its Latin roots to become the handy adjective we use today.
It is fascinating how words like this stay consistent over hundreds of years. While our tools have changed from wooden plows to smartphones, the need to describe something as 'full of use' has remained exactly the same.
You can use useful in almost any setting, from a casual chat with friends to a formal business meeting. It is a highly versatile word that describes both physical objects and abstract concepts like advice or data.
Commonly, we pair it with nouns: useful tool, useful information, or useful addition. It sits comfortably in the middle of the register scale—neither too fancy nor too slangy.
Be careful not to confuse it with 'helpful'. While they are similar, helpful usually describes a person or an action, while useful is more often used for things, tools, or information.
1. Useful idiot: A derogatory term for a person perceived as propagandizing for a cause without fully understanding the cause's goals.
2. Come in useful: To be helpful at a later time. Example: 'Keep that rope; it might come in useful later.'
3. Make yourself useful: A command to help out with chores. Example: 'Stop sitting around and make yourself useful!'
4. Useful life: The estimated time an asset is expected to be usable. Example: 'The car has reached the end of its useful life.'
5. Of little use: Something that doesn't help much. Example: 'That map was of little use in the storm.'
Useful is a standard adjective. It does not have a plural form because it describes a quality. To make it stronger, you can use adverbs like very, extremely, or quite.
Pronunciation-wise, it sounds like 'YOO-sful'. The 's' is unvoiced, like in 'hiss'. The stress is on the first syllable.
It rhymes with youthful (if you stretch it) or words ending in -ful like truthful or plentiful. Remember to focus on the 'yoo' sound at the start, which is a common stumbling block for some learners.
Fun Fact
It has been in English since the 1300s.
Pronunciation Guide
starts with a soft y sound
similar to UK
Common Errors
- pronouncing the 's' like a 'z'
- missing the 'y' sound
- stressing the second syllable
Rhymes With
Difficulty Rating
easy
easy
easy
easy
What to Learn Next
Prerequisites
Learn Next
高级
Grammar to Know
Adjective usage
It is useful.
Examples by Level
This pen is useful.
pen = writing tool
Subject + is + adjective
A dictionary is very useful.
He gave me some useful advice.
Is this app useful for you?
I found a useful website.
That was a useful meeting.
Do you have any useful tips?
The map was very useful.
This tool is useful for fixing bikes.
Learning English is useful for travel.
She shared some useful strategies.
The information was not very useful.
I keep a useful list of contacts.
It might come in useful later.
He is a useful member of the team.
This software provides useful data.
That was a very useful discussion.
The report contains useful insights.
His experience proved useful in the crisis.
It is a useful exercise for beginners.
We discussed the useful applications of AI.
She provided a useful summary of the event.
The feedback was incredibly useful.
I found the lecture quite useful.
This is a useful addition to our library.
The theory has useful implications for policy.
It serves as a useful benchmark for comparison.
The software offers a useful suite of tools.
His critique was a useful contribution to the debate.
The data provides a useful baseline.
This is a useful heuristic for decision-making.
We need to identify the most useful variables.
The study offers a useful perspective on history.
The article provides a useful synthesis of recent research.
It is a useful paradigm for understanding the shift.
The tool is useful for navigating complex datasets.
His analysis was a useful corrective to popular myths.
The framework is useful for interdisciplinary study.
This is a useful illustration of the core concept.
The findings have a useful application in medicine.
It remains a useful reference for scholars.
常见搭配
Idioms & Expressions
"make yourself useful"
do something helpful
Go make yourself useful in the kitchen.
casual""
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Easily Confused
similar meaning
helpful = people, useful = things
He is helpful; the tool is useful.
Sentence Patterns
Subject + is + useful + for + V-ing
This is useful for learning.
词族
Nouns
Verbs
Adjectives
相关
How to Use It
9
Formality Scale
常见错误
it only has one l at the end
Tips
Memory Palace
Imagine a toolbox.
Native usage
Use it for tools.
Cultural Insight
Highly valued in work.
Grammar Shortcut
Use 'very' to boost it.
Say It Right
Focus on the Y sound.
Mistake
Only one L.
Fact
Latin roots.
Hack
Write sentences.
Memorize It
Mnemonic
Use + Full = Full of use.
Visual Association
A Swiss Army knife.
Word Web
挑战
Find 3 useful things in your room.
词源
Latin/French
Original meaning: to use or enjoy
文化背景
None.
Commonly used in professional and daily life.
Practice in Real Life
Real-World Contexts
Work
- useful tool
- useful feedback
- useful meeting
Conversation Starters
"What is the most useful thing you own?"
"What is a useful skill to have?"
Journal Prompts
Write about a useful object.
常见问题
8 个问题No, it is an adjective.
自我测试
The hammer is ___.
It helps us fix things.
Which word means the same as useful?
Helpful is a synonym.
Useful is an adjective.
It describes nouns.
Word
意思
Synonym matching.
Correct structure.
得分: /5
Summary
Useful describes things that help you achieve a goal.
- Adjective
- Means helpful
- Used for things
- Common word
Memory Palace
Imagine a toolbox.
Native usage
Use it for tools.
Cultural Insight
Highly valued in work.
Grammar Shortcut
Use 'very' to boost it.
Related Content
更多general词汇
about
A1‘about’可以表示‘关于’某个话题,也可以表示‘大约’或‘左右’。
above
A2表示比其他事物更高的位置,就在上面。
accident
A2发生的不幸事件,可能造成损害或伤害。
action
A2为了达到目的而采取的行动过程。
after
A2‘after’的意思是‘在……之后’,表示在时间上或空间上晚于某事。
afterward
A2At a later or subsequent time.
again
A2‘again’的意思是‘再一次’,表示某事再次发生或被重复。
aged
B1用来描述人或事物处于特定的年龄。
alive
A2指有生命的状态,不是死亡的。
all
A2‘all’指的是某事物的全部,或者每一个。