Asthen – Definition & Meaning

Asthen is a term that is not commonly used in everyday language, but it is still important to understand its definition and meaning. In this article, we will explore the different definitions of asthen, its origin, and its associations. We will also look at the synonyms and antonyms of asthen, as well as some example sentences to help clarify its usage.


Asthen is a term that has different meanings depending on the context in which it is used. In medical terminology, asthenia refers to a condition of weakness or lack of energy. It is often associated with chronic fatigue syndrome, fibromyalgia, and other similar conditions.
In psychology, asthenia is used to describe a state of emotional or mental exhaustion. It is often associated with depression, anxiety, and stress-related disorders.


The word asthen comes from the Greek word “asthenes,” which means weak or feeble. It was first used in the medical field in the early 1800s to describe a state of physical weakness or debility. Over time, the term has evolved to include emotional and mental exhaustion as well.

Meaning in different dictionaries

Asthen is not a commonly used word in everyday language, so it may not be found in all dictionaries. However, some dictionaries that do include it define it as a condition of weakness, lack of energy, or emotional exhaustion.


As mentioned earlier, asthen is often associated with medical and psychological conditions that involve fatigue, weakness, and exhaustion. It is also associated with chronic illnesses and conditions that cause long-term weakness or debility.


Some synonyms of asthen include weakness, fatigue, exhaustion, debility, feebleness, and enervation.


Antonyms of asthen include strength, energy, vitality, robustness, and vigor.

The same root words

There are several other words in the English language that share the same root word as asthen. These include asthenosphere, which refers to the layer of the Earth’s mantle that is below the lithosphere, and asthenopia, which is a medical condition that causes eye strain and fatigue.

Example Sentences

  1. The patient’s asthenia made it difficult for him to perform even simple tasks.
  2. The stress of her job had left her in a state of asthenia, both physically and emotionally.
  3. The asthenosphere is an important part of the Earth’s structure.
  4. His asthenopia was so severe that he had to take frequent breaks from his computer work.
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