adj · noun · 7 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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/ˌsɛs.kwɪ.pɪˈdeɪ.lɪ.ən/
Received-Pronunciation:Recorded audio is listed in the source snapshot.
General-American:Recorded audio is listed in the source snapshot.
General-American:Recorded audio is listed in the source snapshot.
rhymes with -eɪliən
1
adj
Meaning 1
Long; polysyllabic.
Definition source: English Wiktionary via Wiktextract
Examples
The most common use of "antidisestablishmentarianism" is as an example of a sesquipedalian word.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Pertaining to or given to the use of overly long words.
Definition source: English Wiktionary via Wiktextract
Examples
Our dinner guest was so sesquipedalian that no one could understand what he said.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A long word.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
A person who uses long words.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
adjective satellite
Meaning 5
(of words) long and ponderous; having many syllables
Definition source: Princeton WordNet 3.0
Examples
sesquipedalian technical terms
Meaning relationships
Synonyms: polysyllabic
Antonyms: none provided
6
adjective satellite
Meaning 6
given to the overuse of long words
Definition source: Princeton WordNet 3.0
Examples
sesquipedalian orators
this sesquipedalian way of saying one has no money
Meaning relationships
Synonyms: none provided
Antonyms: none provided
7
noun
Meaning 7
a very long word (a foot and a half long)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: sesquipedalia
Antonyms: none provided
Broader terms: polysyllable, polysyllabic word
History
Etymology
From sesquipedal + -ian (adjective- and noun-forming suffix), root from Latin sēsquipedālis (literally “a foot and a half long”), from Latin sēsqui (“one and a half times”) + Latin pedālis (“measuring a foot, foot (relational)”) (an adjective from pēs (“foot”)).
Across languages
Translations
24 source translations are retained for this English entry.
Bulgarian:
многосричен
(mnogosričen)
— of long words
German:
vielsilbig
— of long words
German:
schwülstig
— of long words
German:
ellenlang
— of long words
German:
der ellenlangen Wörter
— of long words
Greek:
μακαρονοειδής
(makaronoeidís)
— of long words
Icelandic:
margkvæður
— of long words
Icelandic:
margra atkvæða
— of long words
Italian:
sesquipedale
— of long words
Polish:
długi
— of long words
Polish:
wielosylabowy
— of long words
German:
zu ellenlangen Worten neigend
— given to the use of long words
German:
sich umständlich ausdrückend
— given to the use of long words
German:
schwülstig daherredend
— given to the use of long words
Icelandic:
gefinn fyrir long orð
— given to the use of long words
Italian:
sesquipedale
— given to the use of long words
Polish:
rozgadany
— given to the use of long words
German:
ellenlanges Wort n schwülstiger Begriff
— a long word
German:
Wortungetüm
— a long word
Hungarian:
szókígyó
— a long word
Hungarian:
szószörnyeteg
— a long word
Polish:
długie słowo
— a long word
German:
Mensch der ellenlangen Worte
— person who uses long words
Polish:
osoba używająca długich słów
— person who uses long words