Definition

Having the shape of a trapezoid, which is a four-sided figure with one pair of parallel sides.

Example

The architect designed a trapezoidal roof for the building.

Conversation

Did you see that new building downtown?

Yes, it's really unique with its trapezoidal shape!

I wonder how they designed it to look so cool.

It definitely stands out among all the other buildings.

Synonyms & Antonyms

Root Explanation

Trapezoidal → It is formed from "trapezion" (from Greek, meaning a little table or a shape with four sides) and the suffix "-al" (meaning pertaining to). The word "trapezoidal" refers to something that is related to or resembling a trapezoid, which is a four-sided figure with at least one pair of parallel sides.

Memory Tip

Imagine a shape that looks like a little table ('trapezion') — that's how you remember that 'trapezoidal' refers to a shape related to a trapezoid.

Visually Confused Words