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rectangular Antonyms
Opposite of rectangular
Because the opposite of rectangular shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• adjective (Context 1)
Shaped like a rectangle, having four straight sides and four right angles, especially with unequal adjacent sides.
Usage Example
"They placed a large circular dining table in the center of the room."
Strong
circular
round
spherical
• adjective (Context 2)
Placed or meeting at right angles; orthogonal (especially in geometry and technical contexts).
Usage Example
"The engineer plotted the data points using a standard system of oblique coordinates."
Strongest
oblique
Strong
skew
Similar words to rectangular
Words similar to rectangular shift depending on context. Common synonyms include:
orthogonal
right-angled
oblong
perpendicular
rectilinear
quadrangular
four-sided
box-shaped
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Rectangular. In Wordmom Thesaurus. Retrieved Nov 3, 2026, from https://wordmom.com/antonyms/rectangular