Antidisestablishmentarianism (word)

The English word antidisestablishmentarianism (UK ⁱ/ˌæn.ti.dɪs.ɪs.tæb.lɪʃ.mənˈtɛər.i.ə.nɪ.zəm/, US ⁱ/ˌæn.taɪˌdɪs.ɛsˌtæb.lɪʃ.məntˈɛ.ri.ənˌɪ.zəm/) is notable for its unusual length of 28 letters and 12 syllables, and is one of the longest words in the English language. It has been cited as the longest word in the English language, excluding coined and technical terms. The longest word found in a major dictionary is "pneumonoultramicroscopicsilicovolcanoconiosis", but this is a technical term that was coined specifically to be the longest word.