Pronunciation: [ʌnbɹˈiːðəbə͡l] (IPA) 
The word "unbreathable" is spelled as "ʌnˈbriːðəbəl." The first syllable "un" is pronounced as "ʌn," which means not or the opposite of. The second syllable "breath" is pronounced as "briːð," which means to inhale and exhale air. The suffix "-able" is pronounced as "əbəl," which means capable of or worthy of. Therefore, the word "unbreathable" means not capable of inhaling or exhaling air, and it is spelled as "ʌnˈbriːðəbəl."
The term "unbreathable" is an adjective used to describe an environment or atmosphere that is not suitable or healthy for breathing. It refers to a condition where the air quality is so poor or contaminated that it is difficult or impossible to inhale without experiencing negative effects on the respiratory system.
When a location or area is considered unbreathable, it usually implies the presence of pollutants, toxic substances, or a lack of sufficient oxygen. These factors can arise from various sources, such as industrial emissions, chemical spills, volcanic eruptions, or high levels of dust or particulate matter in the air.
In an unbreathable environment, the air may be filled with harmful gases, such as carbon monoxide or sulfur dioxide, or contain excessive levels of pollutants like smog or asbestos. Breathing such air can lead to respiratory problems, irritation of the lungs and airways, or even more serious health issues.
The term "unbreathable" emphasizes the severity of the air quality, indicating that it is not fit for inhalation by humans, animals, or even plants. The concept highlights the importance of clean and healthy air for sustaining life and well-being. Improving air quality through pollution control measures, proper health regulations, and environmental awareness is crucial in avoiding or mitigating unbreathable conditions and safeguarding the respiratory health of individuals and ecosystems.
That cannot be respired or breathed.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "unbreathable" is derived from the combination of the prefix "un-" and the word "breathable".
The prefix "un-" is of Old English origin and denotes negation or reversal. It is commonly added to adjectives or nouns to create a word with the opposite meaning. In the case of "unbreathable", it negates the ability to breathe.
The word "breathable" comes from the verb "breathe", which has its roots in Middle English. "Breathe" ultimately comes from the Old English word "brēathian", meaning "to emit a smell, blow, exhale". It has evolved over time to specifically refer to the act of inhaling and exhaling air.
