Also found in: Thesaurus, Legal, Wikipedia.
Related to sesquipedalian: sesquipedalian words


A long word.
1. Given to or characterized by the use of long words.
2. Long and ponderous; polysyllabic.


(ˌsɛskwɪpɪˈdeɪlɪən) or less commonly


1. tending to use very long words
2. (of words or expressions) long and ponderous; polysyllabic
a polysyllabic word
[C17: from Latin sēsquipedālis of a foot and a half (coined by Horace in Ars Poetica), from sesqui- + pedālis of the foot, from pēs foot]
ˌsesquipeˈdalianism, sesquipedality n


(ˌsɛs kwɪ pɪˈdeɪ li ən, -ˈdeɪl yən)

1. given to using long words.
2. (of a word) containing many syllables.
[1605–15; < Latin sēsquipedāli(s) measuring a foot and a half]


Used to describe words that are long and have many syllables.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sesquipedalian - a very long word (a foot and a half long)
polysyllabic word, polysyllable - a word of more than three syllables
Adj.1.sesquipedalian - given to the overuse of long words; "sesquipedalian orators"; "this sesquipedalian way of saying one has no money"
pretentious - making claim to or creating an appearance of (often undeserved) importance or distinction; "a pretentious country house"; "a pretentious fraud"; "a pretentious scholarly edition"
2.sesquipedalian - (of words) long and ponderous; having many syllables; "sesquipedalian technical terms"
long - primarily spatial sense; of relatively great or greater than average spatial extension or extension as specified; "a long road"; "a long distance"; "contained many long words"; "ten miles long"


Having many syllables:


[ˌseskwɪpɪˈdeɪlɪən] ADJsesquipedal, polisilábico
sesquipedalian wordpalabra f kilométrica
References in classic literature ?
D'Artagnan recoiled, as though the sesquipedalian syllables had knocked the breath out of his body.
And finally, the P-45 Prize for being the longest known dictionary-listed unhyphenated English insider word goes to an old friend, that ageless sesquipedalian stalwart,
And although some of these words are inordinately sesquipedalian, like "floccinaucinihilipilification" for example, they are all of a finite length.
The perfect wedding of romantic intimism and sesquipedalian egotism: in short, the essence of the myth of the artist.
Here, the impediments to change are quantitative rather than qualitative: once the legal landscape becomes crowded with statutes--a pattern that sesquipedalian scholars have dubbed "statutorification"--legislators fight a losing battle to keep all of their acts current.
All this action, myth, and history fairly fly off the page, for Davis renders Ferdowsi's 50,000 sesquipedalian lines of poetry as a prose narrative that here and there erupts into sonnet-sized snatches of verse.