EN List of Longest words in English
Word – Lopadotemachoselachogaleokranioleipsanodrimhypotrimmatosilphiokarabomelitokatakechymenokichlepikossyphophattoperisteralektryonoptekephalliokigklopeleiolagoiosiraiobaphetraganopterygon
Meaning – “A fictional dish of food”
Word – Methionylthreonylthreonylglutaminylalanyl…isoleucine
Meaning – “The chemical composition of titin, the largest known protein “
Word – Methionylglutaminylarginyltyrosylglutamyl…serine
Meaning – “The chemical name of E. coli TrpA (P0A877)”
Word – Pneumonoultramicroscopicsilicovolcanoconiosis
Meaning – “An invented long word said to mean a lung disease caused by inhaling very fine ash and sand dust”
Word – Hippopotomonstrosesquippedaliophobia
Meaning – “A fear of long words”
Word – Supercalifragilisticexpialidocious
Meaning – “A nonsense word made popular in the Mary Poppins film and musical”
Word – Pseudopseudohypoparathyroidism
Meaning – “A hereditary medical disorder”
Word – Floccinaucinihilipilification
Meaning – “The action or habit of estimating something as worthless”
Word – Antidisestablishmentarianism
Meaning – “Opposition to the disestablishment of the Church of England”
Word – Spectrophotofluorometrically
Meaning – “The relative intensities of light in different parts of a spectrum”
Word – Hepaticocholangiogastrostomy
Meaning – “A special form of silicosis caused by ultra-microscopic particles of siliceous”
Word – Honorificabilitudinitatibus
Meaning – “The state of someone that can achieve honors”
Word – Psychoneuroendocrinological
Meaning – “The clinical study of hormone fluctuations and their relationship to human behavior”
Word – Radioimmunoelectrophoresis
Meaning – “Immunoelectrophoresis in which the antigen or antibody is labeled with a radioisotope”
Word – Pneumoencephalographically
Meaning – “The process done using pneumoencephalography (radiography of the brain after the injection of air into the ventricles)”
Word – Psychophysicotherapeutics
Meaning – “A therapeutic approach that integrates both the mind and body”
Word – Immunoelectrophoretically
Meaning – “As regards or by means of electrophoresis”
Word – Dichlorodifluoromethane
Meaning – “A colourless nonflammable gas easily liquefied by pressure”
Word – Incomprehensibilities
Meaning – “The state of being impossible or extremely difficult to understand”
Word – Otorhinolaryngological
Meaning – “of or relating to the medical practice involving the ear, nose, and throat”
Word – Polyphiloprogenitive
Meaning – Extremely Prolific
Word – Xenotransplantation
Meaning – “The process of grafting or transplanting organs or tissues between members of different species”
Word – Sesquipedalianism
Meaning – “The practice of using long, sometimes obscure, words in speech or writing”
Word – Interdisciplinary
Meaning – “Relating to more than one branch of knowledge”
Word – Embourgeoisement
Meaning – “The proliferation in a society of values perceived as characteristic of the middle class, especially of materialism”
Word – Trichotillomania
Meaning – “A compulsive desire to pull out one’s hair”
Word – Pulchritudinous
Meaning – “Physically beautiful or attractive”
Word – Inconsequential
Meaning – “Not important or significant”
Word – Psychotomimetic
Meaning – Relating to or denoting drugs that are capable of producing an effect on the mind similar to a psychotic state.
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