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sustainable

B2 noun #31 most common 9 min read

sustainable

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At the A1 level, the word 'sustainable' is quite difficult. You can think of it as 'something that can keep going'. For example, if you have a small garden and you take only a few vegetables so the plants can grow more, that is sustainable. It means you don't use everything at once. You use a little bit so there is more for tomorrow. It is like having a battery that never dies because you charge it with the sun. We use this word for things that are good for the earth. If we use too much water, it is not sustainable. If we use a little water and save some, it is sustainable. Simple words like 'keep', 'last', and 'good for nature' help explain this big word. You might see it on a bottle of water or a bag of food. It tells you that the people who made the food were kind to the earth. Even if you don't use the word yourself, knowing it means 'good for the future' is a great start.

At the A2 level, you are starting to learn about the environment and the world around you. 'Sustainable' is an important word for this. It describes a way of doing things that doesn't hurt the planet. Imagine you are fishing in a lake. If you catch all the fish today, there will be no fish tomorrow. That is NOT sustainable. But if you catch only a few fish and let the others have babies, you can fish every day forever. That IS sustainable. People use this word when they talk about 'sustainable energy' like wind and sun, because they never run out. They also talk about 'sustainable clothes' which are made in a way that doesn't pollute the rivers. When you see this word, think about the future. Is this action going to make the future better or worse? If it's better and can continue for a long time, it's sustainable. You can use it in simple sentences like: 'We need sustainable energy' or 'Is this way of living sustainable?'

At the B1 level, you can understand 'sustainable' as a more technical term used in news and school. It means being able to maintain a certain level or rate without causing damage. It's not just about nature; it's about systems. For example, if a company spends more money than it earns, that is not a sustainable business. They will eventually go broke. A sustainable business is one that makes enough money to keep working for many years. In the environment, we talk about 'sustainable development'. This means building houses and cities in a way that doesn't destroy the forests or use up all the oil. You might hear about 'sustainable tourism', where people visit beautiful places but don't ruin them for the people who live there. It's about balance. You should try to use this word when you discuss global issues or your own habits. For example, 'I am trying to have a more sustainable lifestyle by recycling more.' It shows you are thinking about the long-term effects of your choices.

At the B2 level, 'sustainable' is a key vocabulary item for discussing complex topics like economics, ecology, and social justice. You should understand that it refers to the ability of a process or state to be maintained indefinitely. In environmental science, it's defined by the 'three pillars': environmental protection, social equity, and economic viability. If a project doesn't meet all three, it might not be truly sustainable. For instance, a 'green' energy project that displaces local indigenous people is not socially sustainable. You should be able to use the word in various forms: 'sustainability' (noun) and 'sustainably' (adverb). You will encounter it in academic texts and professional reports. You should also be aware of 'greenwashing', where the word is used dishonestly for marketing. At this level, you can use it to critique ideas: 'While the plan is profitable in the short term, I question whether it is environmentally sustainable.' This demonstrates a nuanced understanding of how human systems interact with the natural world.

At the C1 level, you should be comfortable with the nuanced and academic applications of 'sustainable'. It often appears in the context of systemic stability and resilience. You might encounter it in discussions about 'sustainable yields' in agriculture or 'sustainable debt levels' in macroeconomics. At this level, you understand that sustainability is often a matter of degree and involves complex trade-offs. You can use the word to describe abstract concepts, such as a 'sustainable argument' (one that can be defended against criticism) or a 'sustainable peace' (a peace that addresses the root causes of conflict so it lasts). You should be able to distinguish between 'weak sustainability' (the idea that manufactured capital can replace natural capital) and 'strong sustainability' (the idea that certain natural resources are irreplaceable). Your usage should be precise, often paired with sophisticated adverbs like 'ecologically', 'fiscally', or 'socioculturally'. You are also expected to recognize the word's role in policy-making, such as in the 'Sustainable Development Goals' (SDGs), and be able to discuss the challenges of implementing them in a globalized economy.

At the C2 level, 'sustainable' is a word you use with total precision and an awareness of its philosophical underpinnings. You understand it as a fundamental principle of systems thinking. You can engage in high-level debates about whether 'sustainable growth' is an oxymoron in a finite planetary system, or discuss the 'circular economy' as a model for absolute sustainability. You recognize the word's presence in legal frameworks, international law, and corporate governance. You can use it metaphorically and literally with ease, perhaps discussing the 'sustainability of a cultural heritage' in the face of globalization or the 'sustainable architecture' of a complex software system. At this level, you are sensitive to the word's potential for ambiguity and can use it to deconstruct rhetoric in political or corporate speech. You might explore the intersection of sustainability with ethics, questioning the moral obligation to future generations. Your command of the word allows you to use it in highly formal academic writing, creative literature, and persuasive oratory, always selecting the exact collocation to convey your intended meaning.

Practice it Examples Notes & Tips

sustainable in 30 Seconds

Sustainable means being able to continue a process or maintain a level indefinitely without depleting resources or causing harm to the environment or society.
In business, it refers to growth or operations that are financially viable and ethically sound over the long term, avoiding rapid but unstable expansion.
The word is a key term in environmental science, often linked to renewable energy, waste reduction, and the protection of biological diversity for the future.
Grammatically, it is an adjective used to describe systems, methods, and lifestyles, with 'sustainability' as the noun and 'sustainably' as the adverbial form.

The term sustainable is a multifaceted adjective that has evolved from a simple description of physical endurance into a cornerstone of modern environmental, economic, and social discourse. At its core, being sustainable means possessing the capacity to endure, remain, or continue at a specific level for an indefinite period. In the contemporary world, this word is most frequently encountered in discussions regarding the environment, where it signifies practices that do not deplete natural resources or permanently damage the delicate balance of ecosystems. When we speak of sustainable energy, for instance, we are referring to sources like wind or solar power that are naturally replenished and do not run out, unlike fossil fuels. However, the application of this word extends far beyond the green movement. In the realm of business and economics, a sustainable model is one that can maintain its profitability and operational integrity over the long term without leading to burnout, financial collapse, or the exploitation of resources that would eventually cause the system to fail. It is about the delicate equilibrium between meeting the needs of the present generation without compromising the ability of future generations to meet their own needs.

Environmental Context: In ecology, sustainable describes biological systems that remain diverse and productive over time. Long-lived and healthy wetlands and forests are examples of sustainable biological systems. In more general terms, it is the practice of using resources in a way that the resource is not depleted or permanently damaged.
Economic Context: Sustainable growth refers to a rate of expansion that can be maintained without creating other economic problems, such as inflation or environmental degradation. It implies a steady, manageable increase in production and consumption.
Social Context: Social sustainability involves creating communities that are equitable, diverse, connected, and democratic, providing a good quality of life for all residents now and in the future.

The company transitioned to sustainable packaging to reduce its carbon footprint and appeal to eco-conscious consumers.

Without a sustainable source of funding, the non-profit organization will be forced to shut down its community programs by the end of the year.

Many experts argue that our current level of consumption is not sustainable given the finite resources of our planet.

The farmer adopted sustainable agriculture techniques to ensure the soil remained fertile for decades to come.

A sustainable lifestyle often involves reducing waste, recycling, and choosing locally sourced products.

In summary, sustainable is a word that bridges the gap between current actions and future consequences. It is used to evaluate whether a system—be it a forest, a business, or a personal habit—has the internal strength and external resources to survive the passage of time. As global awareness of climate change and resource scarcity grows, sustainable has become one of the most important words in the 21st-century vocabulary, appearing in everything from international treaties to grocery store labels.

Using the word sustainable correctly requires an understanding of its grammatical role as an adjective and its semantic breadth. It typically modifies nouns to indicate that the noun in question is capable of being maintained. Because it is a B2-level word, it is often used in complex sentence structures involving conditional clauses, passive voice, or as part of a noun phrase in academic and professional writing. When you use sustainable, you are often making a judgment about the viability of a process.

Attributive Use: This is the most common use, where sustainable comes directly before the noun it modifies. Examples include 'sustainable development', 'sustainable energy', and 'sustainable fashion'. In these cases, the adjective defines the very nature of the noun.
Predicative Use: Here, sustainable follows a linking verb like 'to be', 'to seem', or 'to become'. For example, 'The current rate of deforestation is not sustainable.' This structure is powerful for making arguments or stating conclusions in reports and essays.
Comparative and Superlative: While less common, you can use 'more sustainable' or 'most sustainable' when comparing different methods. 'Solar power is a more sustainable option than coal.' This helps in decision-making contexts.

To achieve sustainable results, we must focus on long-term strategies rather than quick fixes.

Is it sustainable to continue working eighty hours a week without a break?

The government is promoting sustainable urban planning to combat the effects of rising sea levels.

When constructing sentences, pair sustainable with nouns that represent systems, methods, or resources. Avoid using it to describe people directly (e.g., 'He is sustainable' is incorrect; instead, say 'His lifestyle is sustainable'). In professional settings, using sustainable adds a layer of seriousness and forward-thinking to your communication. It shows that you are considering the future implications of today's actions.

In the modern era, you cannot go a day without hearing the word sustainable in various media and professional environments. It has moved from the laboratory and the environmental activist's megaphone into the mainstream corporate boardroom and the everyday consumer's shopping cart. Understanding the contexts in which it appears will help you grasp its nuances.

In the News and Media: News reports on climate change, international summits (like COP), and scientific breakthroughs frequently use sustainable to describe goals and policies. You will hear phrases like 'sustainable development goals' (SDGs) which are a set of 17 global goals established by the United Nations.
In Corporate and Business Settings: Companies now release 'Sustainability Reports' alongside their financial reports. Here, sustainable refers to the company's efforts to be socially responsible and environmentally friendly, often linked to ESG (Environmental, Social, and Governance) criteria.
In Marketing and Advertising: Brands use sustainable as a powerful marketing tool. From 'sustainable seafood' at the supermarket to 'sustainable fabrics' in the fashion industry, the word is used to signal to consumers that the product is an ethical choice.

The CEO announced a new initiative to make the entire supply chain sustainable by 2030.

Documentaries like 'Our Planet' often emphasize the urgent need for sustainable interaction with nature.

Furthermore, in academic circles, sustainable is used to describe theories or models that can withstand rigorous testing and long-term application. In personal development, influencers talk about 'sustainable habits'—routines that you can actually keep up with for years, rather than intense but short-lived 'crash' diets or exercise programs. This versatility makes it one of the most useful adjectives in the English language today.

Despite its ubiquity, the word sustainable is frequently misused or misunderstood. Because it has become a 'buzzword', its precise meaning can sometimes get lost in vague marketing speak. Here are the most common pitfalls to avoid when using this word.

Confusing Sustainable with Renewable: While related, they are not identical. Renewable refers to resources that replenish naturally (like sunlight). Sustainable is a broader term that includes the method of use. For example, wood is renewable (trees grow back), but it is only sustainable if we don't cut them down faster than they grow.
Using it as a Synonym for 'Green' or 'Eco-friendly': While 'green' products are often sustainable, sustainable specifically refers to the ability to continue. A 'green' product might be made of recycled plastic, but if the factory that makes it exploits workers, the business model might not be socially sustainable.
Overuse and 'Greenwashing': In professional writing, be careful not to use sustainable as a filler word. If you cannot explain *why* something is sustainable (i.e., what resources it preserves or what rate it maintains), the word loses its impact. This is often called 'greenwashing' when companies use the word to sound ethical without making real changes.

Incorrect: We need to find a sustainable to our energy problem. (Sustainable is an adjective, not a noun. Use 'sustainability' or 'sustainable solution').

Incorrect: This plastic bottle is sustainable. (Better: This bottle is made from sustainable materials or is part of a sustainable recycling loop).

Another common mistake is the pronunciation. Ensure you emphasize the second syllable: sus-TAIN-able. Misplacing the stress can make the word difficult for native speakers to recognize in fast conversation. Finally, remember that sustainable is an adjective. If you need a noun, use 'sustainability'. If you need an adverb, use 'sustainably'. Mixing these up is a common error for B2 learners.

To enrich your vocabulary, it is helpful to know words that are similar to sustainable but offer different shades of meaning. Depending on whether you are talking about the environment, business, or personal habits, one of these alternatives might be more precise.

Viable: Sustainable vs. Viable: Viable means something is capable of working successfully or surviving. While a sustainable plan is always viable, a viable plan might not be sustainable (it might work once but not forever). Use 'viable' when focusing on feasibility.
Renewable: Sustainable vs. Renewable: As mentioned before, renewable refers specifically to resources that come back. You can have a renewable resource that is used in an unsustainable way. Use 'renewable' for energy and materials.
Feasible: Sustainable vs. Feasible: Feasible means possible to do easily or conveniently. A project might be feasible (we have the money and tools) but not sustainable (it will destroy the environment in the long run).
Enduring: Sustainable vs. Enduring: Enduring means long-lasting. A sustainable relationship is one that can be maintained; an enduring relationship is one that has already lasted a long time. 'Enduring' is more poetic and less technical.

While the startup's growth was rapid, investors questioned if it was truly viable in the long term.

The transition to renewable energy is a key component of any sustainable climate policy.

By choosing the right alternative, you can make your writing more sophisticated. For instance, in a biology paper, you might use 'self-sustaining' to describe an ecosystem. In a business proposal, you might use 'scalable' to describe a model that can grow sustainably. Understanding these nuances is the hallmark of a C1 or C2 level speaker, but starting to use them at B2 will greatly improve your fluency.

How Formal Is It?

Formal

Neutral

Informal

Child friendly

Slang

Fun Fact

The modern environmental meaning of 'sustainable' only became popular in the 1970s and 80s. Before that, it mostly meant 'able to be proven' in a legal sense.

Pronunciation Guide

UK /səˈsteɪ.nə.bəl/

US /səˈsteɪ.nə.bəl/

Second syllable (sus-TAIN-able)

Rhymes With

attainable explainable maintainable obtainable restrainable regainable complainable stainable

Common Errors

Stressing the first syllable (SUS-tainable).
Pronouncing the 'ai' like 'ah' (sus-tan-able).
Confusing it with 'sustainability' and losing the rhythm.
Mumbling the 'able' suffix.
Over-emphasizing the 'u' in the first syllable.

Difficulty Rating

Reading 4/5

Common in news and academic texts, requiring context to distinguish between environmental and economic meanings.

Writing 5/5

Requires correct adjective/noun/adverb forms and appropriate collocations.

Speaking 4/5

Pronunciation of the second syllable stress is key for clarity.

Listening 3/5

Easily recognized in context, though often used as a buzzword.

What to Learn Next

Prerequisites

sustain environment future resource maintain

Learn Next

resilience viability ecology conservation renewable

Advanced

circular economy triple bottom line carbon neutrality biodiversity stewardship

Grammar to Know

Adjective Order

A beautiful, small, sustainable wooden house.

Adverb Formation

We must act sustainably to protect the oceans.

Noun Suffix -ity

Sustainability is a major goal for the university.

Negative Prefix un-

The current fishing levels are unsustainable.

Comparative Adjectives

This new method is more sustainable than the old one.

Examples by Level

Sun energy is sustainable.

L'énergie solaire est durable.

Simple adjective use.

Is this bag sustainable?

Ce sac est-il durable ?

Question form with 'to be'.

We need sustainable food.

Nous avons besoin de nourriture durable.

Adjective before noun.

It is a sustainable choice.

C'est un choix durable.

Article + adjective + noun.

Walking is sustainable.

Marcher est durable.

Gerund as subject.

Sustainable things last long.

Les choses durables durent longtemps.

Plural subject.

I like sustainable toys.

J'aime les jouets durables.

Direct object.

This is not sustainable.

Ce n'est pas durable.

Negative form.

We should use sustainable energy.

Nous devrions utiliser de l'énergie durable.

Modal verb 'should'.

Sustainable farming helps the earth.

L'agriculture durable aide la terre.

Present simple for facts.

Is your lifestyle sustainable?

Votre mode de vie est-il durable ?

Possessive adjective.

They sell sustainable clothes here.

Ils vendent des vêtements durables ici.

Adverb 'here' at the end.

It is more sustainable to recycle.

Il est plus durable de recycler.

Comparative 'more'.

Sustainable products are often expensive.

Les produits durables sont souvent chers.

Adverb of frequency 'often'.

We want a sustainable future.

Nous voulons un avenir durable.

Verb 'want' + object.

This method is not sustainable for us.

Cette méthode n'est pas durable pour nous.

Prepositional phrase 'for us'.

The government promotes sustainable development.

Le gouvernement encourage le développement durable.

Transitive verb 'promotes'.

We need to find a sustainable way to live.

Nous devons trouver une façon durable de vivre.

Infinitive phrase 'to find'.

Is this level of growth sustainable?

Ce niveau de croissance est-il durable ?

Noun phrase 'level of growth'.

Sustainable tourism protects the local culture.

Le tourisme durable protège la culture locale.

Third person singular 'protects'.

The company is moving toward sustainable practices.

L'entreprise s'oriente vers des pratiques durables.

Present continuous.

Many people care about sustainable fashion.

Beaucoup de gens se soucient de la mode durable.

Phrasal verb 'care about'.

It is sustainable because it uses wind power.

C'est durable parce que cela utilise l'énergie éolienne.

Conjunction 'because'.

A sustainable diet includes more vegetables.

Un régime durable comprend plus de légumes.

Adjective modifying 'diet'.

The current rate of consumption is not sustainable.

Le taux de consommation actuel n'est pas durable.

Negative predicative use.

We must ensure that our fishing practices are sustainable.

Nous devons nous assurer que nos pratiques de pêche sont durables.

Noun clause 'that our fishing...'.

Sustainable architecture focuses on energy efficiency.

L'architecture durable se concentre sur l'efficacité énergétique.

Focuses on + noun phrase.

The project was cancelled because it wasn't financially sustainable.

Le projet a été annulé car il n'était pas financièrement viable.

Adverb + adjective.

Achieving a sustainable balance is difficult.

Atteindre un équilibre durable est difficile.

Gerund phrase as subject.

The report highlights the need for sustainable urban planning.

Le rapport souligne la nécessité d'un urbanisme durable.

Highlights the need for...

Is it sustainable to keep borrowing money?

Est-il viable de continuer à emprunter de l'argent ?

Dummy 'it' subject.

They are looking for sustainable alternatives to plastic.

Ils cherchent des alternatives durables au plastique.

Looking for + noun phrase.

The ecological footprint of the city is barely sustainable.

L'empreinte écologique de la ville est à peine durable.

Adverb 'barely' modifying the adjective.

We need a more robust and sustainable economic model.

Nous avons besoin d'un modèle économique plus robuste et durable.

Coordinated adjectives.

The sustainability of the ecosystem depends on biodiversity.

La durabilité de l'écosystème dépend de la biodiversité.

Noun form 'sustainability'.

Critics argue that the policy is not politically sustainable.

Les critiques soutiennent que la politique n'est pas politiquement viable.

Adverbial modification 'politically'.

The company’s commitment to sustainable sourcing is impressive.

L'engagement de l'entreprise en faveur d'un approvisionnement durable est impressionnant.

Compound noun 'sustainable sourcing'.

Can we create a sustainable society in a digital age?

Pouvons-nous créer une société durable à l'ère du numérique ?

Interrogative with modal 'can'.

The transition to a sustainable economy requires global cooperation.

La transition vers une économie durable nécessite une coopération mondiale.

Noun phrase as subject.

The debt level has reached a point where it is no longer sustainable.

Le niveau d'endettement a atteint un point où il n'est plus viable.

Relative clause 'where it is...'.

The inherent contradictions of infinite growth on a finite planet make current models unsustainable.

Les contradictions inhérentes à une croissance infinie sur une planète finie rendent les modèles actuels non durables.

Complex subject with multiple modifiers.

Philosophical inquiries into sustainable living often challenge capitalist norms.

Les enquêtes philosophiques sur le mode de vie durable remettent souvent en question les normes capitalistes.

Abstract subject 'Philosophical inquiries'.

The legal framework for sustainable development is still in its infancy.

Le cadre juridique du développement durable n'en est qu'à ses débuts.

Metaphorical phrase 'in its infancy'.

Achieving absolute sustainability requires a paradigm shift in human behavior.

Atteindre une durabilité absolue nécessite un changement de paradigme dans le comportement humain.

Academic term 'paradigm shift'.

The sustainability of the project is contingent upon continued federal funding.

La pérennité du projet est subordonnée au maintien du financement fédéral.

Adjective 'contingent upon'.

Scholars debate the efficacy of sustainable intensification in agriculture.

Les chercheurs débattent de l'efficacité de l'intensification durable en agriculture.

Technical term 'sustainable intensification'.

The rhetoric of sustainability is often co-opted by corporate interests.

La rhétorique de la durabilité est souvent récupérée par les intérêts des entreprises.

Passive voice 'is often co-opted'.

A truly sustainable peace must address systemic inequalities.

Une paix véritablement durable doit s'attaquer aux inégalités systémiques.

Adverb 'truly' modifying 'sustainable'.

Synonyms

maintainable viable renewable eco-friendly defensible supportable

Antonyms

unsustainable depletable untenable

Common Collocations

sustainable development

sustainable energy

sustainable growth

sustainable agriculture

sustainable fashion

sustainable lifestyle

sustainable tourism

sustainable yield

sustainable transport

sustainable fishing

Common Phrases

at a sustainable rate

environmentally sustainable

economically sustainable

socially sustainable

not sustainable in the long run

sustainable competitive advantage

sustainable debt

sustainable materials

sustainable practices

sustainable solutions

Often Confused With

sustainable vs durable

Durable means physically strong and long-lasting (like a pair of boots). Sustainable means a process can continue without running out of resources.

sustainable vs renewable

Renewable refers to the resource itself (like wind). Sustainable refers to the whole system of using that resource.

sustainable vs maintainable

Maintainable often refers to keeping a machine or software in good condition. Sustainable is broader, involving resources and the environment.

Idioms & Expressions

"living off the interest"

Using only what is produced without touching the main resource, a core concept of sustainability.

Sustainable forestry is like living off the interest of the trees.

Metaphorical

"burning the candle at both ends"

Working too hard and using up energy too fast; the opposite of sustainable.

Working 90 hours a week is burning the candle at both ends and isn't sustainable.

Informal

"robbing Peter to pay Paul"

Taking from one source to pay another, which is an unsustainable financial practice.

Using retirement savings for daily bills is robbing Peter to pay Paul; it's not sustainable.

Informal

"killing the goose that lays the golden eggs"

Destroying the source of your wealth or success; the ultimate unsustainable act.

Overfishing is killing the goose that lays the golden eggs for the local economy.

Literary

"a flash in the pan"

Something that starts well but doesn't last; not sustainable.

The new product was a flash in the pan, not a sustainable success.

Informal

"steady as she goes"

Maintaining a constant, sustainable pace.

We don't need a surge in sales; just steady as she goes is more sustainable.

Nautical/Informal

"built to last"

Made in a way that is durable and sustainable over time.

Our company culture is built to last, with sustainable values at its core.

Business

"the long game"

Focusing on long-term results rather than immediate gain.

Sustainability is all about playing the long game.

Informal

"treading water"

Barely staying at the same level; a low form of sustainability.

The business is just treading water, which isn't sustainable for growth.

Informal

"sowing the seeds"

Doing things now that will provide for the future.

By investing in education, we are sowing the seeds for a sustainable society.

Metaphorical

Easily Confused

sustainable vs Renewable

Both relate to the environment and the future.

Renewable means the resource comes back (like trees). Sustainable means we don't use it faster than it comes back.

Wood is renewable, but clear-cutting a forest is not sustainable.

sustainable vs Viable

Both mean something can work.

Viable means it *can* work now. Sustainable means it can work *forever*.

A business might be viable today but not sustainable if it relies on a disappearing resource.

sustainable vs Green

Both are used for eco-friendly things.

Green is a general, often marketing term. Sustainable is a specific technical term about long-term maintenance.

A green car might still be unsustainable if the battery production is highly polluting.

sustainable vs Eco-friendly

Both mean 'good for nature'.

Eco-friendly means it doesn't hurt nature. Sustainable means it can be kept up indefinitely.

An eco-friendly product might not be sustainable if the company making it is going bankrupt.

sustainable vs Durable

Both mean 'lasting'.

Durable is about physical toughness. Sustainable is about systemic continuity.

A plastic bottle is durable (it lasts 500 years) but its use is not sustainable for the planet.

Sentence Patterns

Subject + is + sustainable.

Solar power is sustainable.

We need + sustainable + noun.

We need sustainable energy.

It is + adjective + to be + sustainable.

It is important to be sustainable.

Noun + is not + sustainable + in the long run.

This growth is not sustainable in the long run.

Adverb + sustainable + noun.

An environmentally sustainable solution.

The sustainability of + noun + depends on + noun.

The sustainability of the project depends on funding.

Gerund phrase + is + inherently + unsustainable.

Consuming resources at this rate is inherently unsustainable.

Noun + represents a + sustainable + alternative to + noun.

This model represents a sustainable alternative to capitalism.

Word Family

Nouns

Verbs

Adjectives

How to Use It

frequency

Very high in modern English, especially in media and business.

Common Mistakes

The sustainability development is important. → Sustainable development is important.
You must use the adjective form 'sustainable' to modify the noun 'development'.
We need to sustainable our resources. → We need to sustain our resources.
'Sustainable' is an adjective; 'sustain' is the verb.
This is a sustainable for the future. → This is sustainable for the future.
Do not use 'a' before an adjective unless there is a noun following it.
The project is environmentally sustainability. → The project is environmentally sustainable.
After a linking verb like 'is', use the adjective 'sustainable'.
He is a very sustainable person. → He has a very sustainable lifestyle.
We usually describe actions or systems as sustainable, not people directly.

Tips

Adjective vs Noun

Always remember that 'sustainable' is an adjective. If you need to name the concept, use 'sustainability'. For example: 'The sustainability of the plan' vs 'The plan is sustainable'.

Context Matters

In a business meeting, 'sustainable' often means 'profitable over time'. In a science class, it means 'not damaging the ecosystem'. Clarify which one you mean if it's not obvious.

Be Specific

Instead of just saying 'This is sustainable', say *how* it is sustainable. For example: 'This is sustainable because it uses 100% recycled water'.

Stress the 'TAIN'

Native speakers rely on word stress to understand you. If you stress 'SUS', they might not understand. Always emphasize 'TAIN'.

Use Synonyms

To avoid repeating 'sustainable' too much in an essay, use 'viable', 'long-term', or 'renewable' when appropriate.

Watch for Greenwashing

When you see 'sustainable' on a product, ask yourself: Is the packaging sustainable? Is the labor sustainable? Is the material sustainable?

Sustainable Habits

Apply the word to your life. A sustainable study habit is one you can do every day without getting too tired. 20 minutes a day is more sustainable than 5 hours once a week.

Cite the SDGs

If you are writing for university, mentioning the UN Sustainable Development Goals (SDGs) shows you have a high-level understanding of the term.

Listen for Prefixes

Be careful to hear the 'un-' in 'unsustainable'. It's a small sound but it changes the meaning completely!

The 'Able' Rule

If you are 'able' to 'sustain' (keep up) the action, it is 'sustainable'. It's right there in the word!

Memorize It

Mnemonic

Think of 'SUS-TAIN-ABLE'. 'SUS' is like 'support', 'TAIN' is like 'maintain', and 'ABLE' is 'can do'. So, 'Can support and maintain'.

Visual Association

Imagine a person holding a globe (the Earth) with both hands. If they are strong enough to hold it forever, that is sustainable.

Word Web

Future Environment Long-term Balance Resources Nature Business Viable

Challenge

Try to find three items in your house that are labeled 'sustainable' and explain why they are or are not truly sustainable.

Word Origin

Derived from the Latin verb 'sustinere', which is composed of 'sub-' (up from below) and 'tenere' (to hold). It entered Middle English via the Old French word 'sustain'.

Original meaning: To hold up, support, or endure a physical weight or a burden.

Indo-European (Latinate/Romance influence on English).

Cultural Context

Be careful not to use 'sustainable' to dismiss the immediate needs of people in poverty; 'economic sustainability' must include social equity.

In the UK and US, 'sustainable' is often used in political debates about energy and the economy.

The Brundtland Report (1987) - Defined sustainable development. UN Sustainable Development Goals (SDGs) - A global blueprint. Patagonia (Brand) - Famous for its sustainable business model.

Practice in Real Life

Real-World Contexts

Environmentalism

reduce carbon footprint
renewable energy
zero waste
conservation

Business

long-term growth
corporate responsibility
ethical sourcing
profitability

Personal Habits

lifestyle change
sustainable diet
minimalism
eco-conscious

Economics

fiscal stability
sustainable debt
resource management
inflation control

Urban Planning

green spaces
public transport
energy efficiency
smart cities

Conversation Starters

"Do you think our current way of living is sustainable for the planet?"

"What are some sustainable changes you've made in your daily routine?"

"Is it possible for a large corporation to be truly sustainable?"

"How can we make sustainable products more affordable for everyone?"

"What does 'sustainable fashion' mean to you personally?"

Journal Prompts

Reflect on one habit you have that is not sustainable. Why is it hard to change?

Describe what a perfectly sustainable city would look like in 100 years.

Write about a time you chose a sustainable option over a cheaper, non-sustainable one.

How does the concept of sustainability apply to your personal relationships?

Do you believe that technology will eventually make all human activity sustainable?

Frequently Asked Questions

10 questions

No, while it is most common in environmental contexts, it also applies to business (financial sustainability), social systems (social sustainability), and personal habits. It basically means anything that can be kept up for a long time.

'Sustainable' is an adjective used to describe a noun (e.g., sustainable energy). 'Sustainability' is a noun that refers to the quality or state of being sustainable (e.g., We are working on the sustainability of our project).

Usually, we don't describe a person as 'sustainable'. Instead, we describe their lifestyle, habits, or actions as sustainable. For example, 'She has a sustainable lifestyle' is correct.

This is a debated topic. Some say yes because it produces low carbon. Others say no because uranium is a finite resource and waste management is a long-term problem. It depends on your definition of sustainability.

The three pillars are Environmental (protecting nature), Social (treating people fairly), and Economic (making sure it is financially possible). A truly sustainable project balances all three.

It is pronounced /səˈsteɪ.nə.bəl/. The emphasis is on the second syllable: sus-TAIN-able. Make sure the 'tain' sounds like the word 'rain'.

Yes, it is often used in marketing to make products sound better than they are. This is called 'greenwashing'. It's important to look for evidence when a company claims to be sustainable.

It is development that meets the needs of the present without compromising the ability of future generations to meet their own needs. This was defined in the 1987 Brundtland Report.

Yes, metaphorically. A sustainable relationship is one where both people are happy and their needs are met, so the relationship can last for a long time without one person burning out.

Overfishing is a classic example. If we catch fish faster than they can reproduce, eventually there will be no fish left. This practice cannot continue forever.