[ob-lawng, -long]


elongated, usually from the square or circular form.
in the form of a rectangle one of whose dimensions is greater than the other.


an oblong figure.

Origin of oblong

1375–1425; late Middle English oblonge < Latin oblongus rather long, equivalent to ob- ob- + longus long1
Related formsob·long·ish, adjectiveob·long·ly, adverbob·long·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for oblong



having an elongated, esp rectangular, shape


a figure or object having this shape

Word Origin for oblong

C15: from Latin oblongus, from ob- (intensive) + longus long 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for oblong

early 15c., from Latin oblongus "more long than broad," originally "somewhat long," from ob "to, toward," here perhaps intensive (see ob-) + longus "long" (see long (adj.)). As a noun from c.1600.

Online Etymology Dictionary, © 2010 Douglas Harper