SESQUIPEDALIAN
polysyllabic, sesquipedalian
(adjective) (of words) long and ponderous; having many syllables; “sesquipedalian technical terms”
sesquipedalian
(adjective) given to the overuse of long words; “sesquipedalian orators”; “this sesquipedalian way of saying one has no money”
sesquipedalian, sesquipedalia
(noun) a very long word (a foot and a half long)
Source: WordNet® 3.1
Etymology
Noun
sesquipedalian (plural sesquipedalians)
A long word.
A person who uses long words.
Adjective
sesquipedalian (comparative more sesquipedalian, superlative most sesquipedalian)
(of a word or words) Long; polysyllabic.
Pertaining to or given to the use of overly long words.
Synonyms
• (of long words): polysyllabic
• (given to the use of long words): See Thesaurus:verbose
Antonyms
• (of long words): monosyllabic, brachysyllabic
• (given to the use of long words): See Thesaurus:concise
Source: Wiktionary
Ses*quip"e*dal, Ses`qui*pe*da"li*an, a. Etym: [Sesqui- + pedal: cf.
F. sesquipédal, L. sesquipedalis.]
Definition: Measuring or containing a foot and a half; as, a sesquipedalian
pygmy; -- sometimes humorously applied to long words.
Source: Webster’s Unabridged Dictionary 1913 Edition