A very long word (a foot and a half long).

synonym: sesquipedalia.

Given to the overuse of long words.

Roget 577: ornament etc. v.; beautified etc. 847; ornate, florid, rich, flowery; euphuistic^†, euphemistic; sonorous; high-sounding, big-sounding; inflated, swelling, tumid; turgid, turgescent; pedantic, pompous, stilted; orotund; high flown, high flowing; sententious, rhetorical, declamatory; grandiose; grandiloquent, magniloquent, altiloquent^†; sesquipedal^†, sesquipedalian; Johnsonian, mouthy; bombastic; fustian; frothy, flashy, flaming.    antithetical, alliterative; figurative etc. 521; artificial etc. (inelegant) 579.    ... show more

Roget 200: long, longsome^†; lengthy, wiredrawn^†, outstretched; lengthened etc. v.; sesquipedalian etc. (words) 577; interminable, no end of; macrocolous^†.    linear, lineal; longitudinal, oblong.    as long as my arm, as long as today and tomorrow; unshortened etc. (shorten) etc. 201^†.    ... show more

of words Long and ponderous; having many syllables:
— Sesquipedalian technical terms.

synonym: polysyllabic.