Unsustainable

C1 16+

Pronunciation: /ʌn.səˈsteɪ.nə.bəl/

Definitions of unsustainable

adjective An adjective is a word that describes or modifies a noun or pronoun. In this case, 'unsustainable' describes something that cannot be maintained or continued at its current rate or level.

Example Sentences

A1 Using single-use plastic bags is unsustainable for the environment.

A2 Eating fast food every day is unsustainable for your health.

B1 The company's current business model is unsustainable in the long run.

B2 The rapid deforestation of the Amazon rainforest is unsustainable and must be stopped.

C1 The government needs to implement policies to address unsustainable practices in the agriculture industry.

C2 The growing population and increasing consumption levels are leading to unsustainable levels of resource depletion.

Examples of unsustainable in a Sentence

formal The current rate of deforestation is unsustainable and will have long-term negative effects on the environment.

informal Spending more money than you earn is unsustainable in the long run.

slang Eating fast food every day is just not sustainable for your health.

figurative Ignoring the warning signs of climate change is like driving full speed towards an unsustainable future.

Grammatical Forms of unsustainable

past tense

unsustained

plural

unsustainables

comparative

more unsustainable

superlative

most unsustainable

present tense

unsustainable

future tense

will be unsustainable

perfect tense

has been unsustainable

continuous tense

is being unsustainable

singular

unsustainable

positive degree

unsustainable

infinitive

to be unsustainable

gerund

unsustaining

participle

unsustained

Origin and Evolution of unsustainable

First Known Use: 1969 year
Language of Origin: English
Story behind the word: The word 'unsustainable' originated from the combination of the prefix 'un-' meaning 'not' and the word 'sustainable' meaning 'able to be maintained'.
Evolution of the word: Initially used in the context of environmental sustainability, the term 'unsustainable' has evolved to encompass a wider range of topics such as economic practices, social systems, and personal habits that are not viable in the long term.