What does ageusia mean?
Ageusia is the complete loss or absence of the sense of taste. As a medical term, it is more specific than simply saying that food seems uninteresting or bland: ageusia indicates that the sensory capacity to detect tastes is absent. The condition may be complete or limited to particular taste qualities, and it can arise from injuries affecting the taste nerves, disorders of the mouth or nervous system, certain medications, or infections. Ageusia became especially widely recognized during the COVID-19 pandemic because many people experienced a sudden loss or marked alteration of taste alongside smell loss. A partial reduction in taste is usually distinguished from ageusia and called hypogeusia. Although the word is largely confined to medical and scientific contexts, it is useful because it names a specific sensory disorder without implying that the affected person simply dislikes or does not appreciate food.
nounThe complete loss or absence of the sense of taste. It is distinct from a reduced ability to taste, which is called hypogeusia.
- The complete absence or loss of the sense of taste.
"A thorough examination revealed complete ageusia following the viral infection."
"COVID-19 left her with temporary ageusia and an almost entirely flavorless diet."
"Ageusia is sometimes investigated separately from anosmia when assessing a patient's sensory complaints."
The plural is rarely needed in ordinary usage but appears in formal and clinical writing when individual cases are treated as countable conditions.
"The researchers described transient ageusias in several participants."
One of the most distinctive symptoms of COVID-19 was ageusia: the sudden disappearance of taste, turning familiar meals into flavorless routines.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of ageusia
Ageusia comes through Latin from Ancient Greek ἀγευσία (ageusía), meaning “lack of taste.” Its formation combines the Greek prefix ἀ- (a-), meaning “without,” with γεῦσις (geûsis), meaning “taste” or “the sense of taste.” Related medical terms such as dysgeusia and hypogeusia preserve the same Greek element while distinguishing impaired taste from diminished taste.
Related word forms
How ageusia is actually used
Ageusia is primarily a clinical term and normally denotes complete loss of taste; partial loss or diminished taste is more accurately called hypogeusia. It should not be used merely to mean a dislike of food or poor culinary taste.
Easily confused with ageusia
Ageusia is the loss of taste, whereas anosmia is the loss of smell.
Ageusia concerns the sense of taste, while aphagia is the inability to swallow.