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Webster 1913 Edition

Sesquipedalian

{

Ses-quip′e-dal

,

Sesˊqui-pe-da′li-an

, }

Adj.

[

Sesqui-

+

pedal

: cf. F.

sesquipédal

, L.

sesquipedalis

.]

Measuring or containing a foot and a half;

as, a

sesquipedalian

pygmy

; – sometimes humorously applied to long words.

Webster 1828 Edition

Sesquipedalian

SESQUIPEDA'LIAN

, Containing a foot and a half; as a sesquipedalian pigmy.

Addison uses sesquipedal as a noun.