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10 Longest Words in English with Interesting Meanings


Pneumonoultramicroscopicsilicovolcanoconiosis
= a lung disease that is caused by the inhalation of silica or quartz dust
Hippopotomonstrosesquippedaliophobia
= fear of long words
Supercalifragilisticexpialidocious
= an expression of excitement, when you're too excited to say something
Floccinaucinihilipilification
= regarding something as worthless or unimportant
Antidisestablishmentarianism
= against the establishment of religion
Honorificabilitudinitatibus
= honourableness, the state of being able to achieve honours
Pseudopseudohypoparathyroidism
= excessive amounts of calcium and phosphorus in the blood
Incomprehensibilities
= the things that are incapable of being understood
Trichotillomania
= an irresistible urge to pull out one's own hair, eyelashes and eyebrows
Methylenedioxymethamphetamine 
= a chemical that leads to ecstasy

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