What word has 464 definitions?
"Set" has 464 definitions in the
TIL that the word "set" has 464 definitions, making it the most ambiguous word in the English language.
Run: 645 definitions
Though there is some debate surrounding the first place position of "run," as one of the top homographs it has (an anticipated) 645 different definitions, according to a New York Times article from 2011.
“Set” has 430 senses listed in the second edition of the Oxford English Dictionary, which was published in 1989. The word has the longest entry in the dictionary at 60,000 words, which equals 326,000 characters.
The Word “Run” Has The Most Definitions
Some dictionaries list over 600 entries for this word. The most common verb meanings are "to advance quickly" and "to ". You can also “run a temperature”, “run the water”, and “run something by someone”.
So Far One three-letter word does much of the heavy lifting in the English language. The little word "run" — in its verb form alone — has 645 distinct meanings.
The longest word in English, according to the Oxford English Dictionary, is pneumonoultramicroscopicsilicovolcanoconiosis - a chronic lung disease caused by the inhalation of fine silicate or quartz dust. Fewer examples. Pneumono refers to the lung.
You might think it's absurd (and maybe it is), but Oxford English Dictionary editors recently revealed that “run” has indeed become the single word with the most potential meanings in all of English, boasting no fewer than 645 different usage cases for the verb form alone.
The IUPAC nomenclature for organic chemical compounds is open-ended, giving rise to the 189,819-letter chemical name Methionylthreonylthreonyl . . . isoleucine for the protein also known as titin, which is involved in striated muscle formation.
sextuple. / (ˈsɛkstjʊpəl) / noun. a quantity or number six times as great as another.
What word has the longest definition?
Answer. Pneumonoultramicroscopicsilicovolcanoconiosis is the longest word entered in the most trusted English dictionaries.
Pneumonoultramicroscopicsilicovolcanoconiosis. In most English dictionaries, the word pneumonoultramicroscopicsilicovolcanoconiosis is the longest one you are going to find at a whopping 45 letters long. This word refers to a lung disease caused by silica dust.

The Oxford English Dictionary provides an unsurpassed guide to the English language, documenting 600,000 words through 3.5 million illustrative quotations from over 1,000 years of history across the English-speaking world.
Word forms: run-ins plural. countable noun. A run-in is an argument or quarrel with someone. [informal] I had a monumental run-in with him a couple of years ago.
The longest number with a name is the Googleplexian. A Googolplexian is a number with 10100 zeroes. Whilst larger numbers can be imagined, the Googolplexian is the largest number that could be found in the dictionary.
Word | Definition |
---|---|
seg | stud or metal plate in sole of a shoe to prevent wear |
sic | thus |
suq | Middle Eastern marketplace |
taj | crown or head-dress |
An old riddle asks, “Can you name a word with three consecutive double letters?” One possible answer is WOOLLEN - 'double U, double O, double L, …' A more satisfying solution is BOOKKEEPER (or BOOKKEEPING), the only common words with a consecutive triple double.
From Oxford Dictionaries: The answer is not really, because the usual rules of English spelling outlaw triple letters. We put hyphens in words that contain three of the same letters in a row, so as to break the letters up, e.g. bee-eater, bell-like, cross-section, cross-subsidize, joss-stick, and shell-less.
1. methionylthreonylthreonylglutaminylalanyl…isoleucine. You'll notice there's an ellipsis here, and that's because this word, in total, is 189,819 letters long, and it's the chemical name for the largest known protein, titin.
A word of warning… the “word” takes about 3.5 hours to say. The word is 189,819 letters long. It's actually the name of a giant protein called Titin. Proteins are usually named by mashing-up the names of the chemicals making them.
What is the shortest word?
The shortest word is a. Some might wonder about the word I since it consists of one letter, too. In sound, a is shorter because it is a monophthong (consists of one vowel), while I is a diphthong. Both do consist of one letter in the English writing system, and in most fonts I is the narrowest letter.
There is a two-letter word that has more meanings than any other two-letter word, and that word is 'UP. ' It's easy to understand UP, meaning toward the sky or at the top of the list, but when we awaken in the morning, why do we wake UP ? At a meeting, why does a topic come UP ?
The most common three-letter words are the, and, are,for, not, but, had, has, was, all, any, one, man, out, you, his, her, and can. The most common four-letter words are that, with, have, this, will, your, from, they, want, been, good, much, some, and very.
At over 180,000 letters long, the chemical name of the protein titin is often said to technically be the longest English word.
Aequeosalinocalcalinoceraceoaluminosocupreovitriolic (52 letters) In the 17th century, Dr. Edward Strother coined the 52-letter word aequeosalinocalcalinoceraceoaluminosocupreovitriolic. The word is used to describe the spa waters in Bath, England.