Pronunciation: [lˈɛθi͡ən] (IPA) 
Lethean is a word that refers to something that induces forgetfulness or oblivion, like the waters of the river Lethe in Greek mythology. The spelling of Lethean is pronounced /ləˈθiən/ in IPA phonetic transcription. The initial "L" sound is followed by a short schwa sound, then a voiced "th" sound, an "ee" sound, a stress on the second syllable, and a final "ən" sound. This sequence of sounds creates the unique spelling of Lethean.
Lethean is an adjective that refers to something inducing forgetfulness or oblivion. The term finds its origin in Greek mythology, specifically from the river Lethe, one of the five rivers in the underworld. In ancient Greek and Roman mythology, it was believed that the souls of the dead would drink from the river Lethe to forget their earthly lives and move on to the afterlife. For this reason, Lethean is often associated with the concept of forgetfulness or oblivion.
In a figurative sense, the term Lethean describes something that has a sedative or numbing effect on the mind. It implies a state of forgetfulness or detachment from reality, where one feels unmindful or unaware of their surroundings or experiences. Lethean can be used to describe a substance or an experience that induces a sense of mental numbness or a feeling of being detached from one's thoughts or emotions.
Additionally, Lethean may also metaphorically refer to a situation, event, or circumstance that elicits a sense of forgetting or moving on from the past. It signifies a state of leaving behind or being freed from memories, burdens, or regrets. Overall, Lethean captures the notion of forgetfulness, whether it is related to memory, emotions, or past events, both metaphorically and literally.
Of or pert. to Lethe.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "Lethean" is derived from the Greek word "Lethe", which means "oblivion" or "forgetfulness". In Greek mythology, Lethe was a river in the Underworld, and drinking from its waters would cause souls to forget their past lives. The term "Lethean" is often used to describe something that induces forgetfulness or creates a sense of tranquility and peacefulness.
