Mum's the word Mum's the word Mum's the word is a popular English idiom. It is related to an expression used by William Shakespeare, in "Henry VI, Part 2". The word “mum” is a slanged version of momme, which was used between 1350-1400 in Middle English with very close to the same meaning: Be silent; Do not reveal "Mum's the word" means to keep silent or quiet. "Mum" is a Middle English word meaning 'silent', and may be derived from the "mummer" who acts without speaking. Note the similar English word "mime" (Old English "mīma", Latin "mimus") meaning silent actor or imitator. The
Antidisestablishmentarianism (word) Scotland, which had and still has its own separate national church. The word construction is as follows (the numbers succeeding the word refer to the number of letters in the word): Antidisestablishmentarianism (word) The English word antidisestablishmentarianism (, ) 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), although some sources say that it is not used enough to carry that title. The longest word found in a major