corrugated

American  

[kawr-uh-gey-tid, kor-] / ˈkɔr əˌgeɪ tɪd, ˈkɒr- /

adjective

1. shaped into wavy folds or alternating furrows and ridges.

   Drops of rain hammered on the corrugated metal roof.

   Your cat can use the toy’s corrugated cardboard center as a scratching mat.

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verb

1. the simple past tense and past participle of corrugate.

Other Word Forms

• uncorrugated adjective

Etymology

Origin of corrugated

First recorded in 1585–95; corrugate ( def. ) + -ed ² ( def. ) for the adjective; corrugate ( def. ) + -ed ¹ ( def. ) for the verb

Example Sentences

It's like a wing with a flexible, corrugated structure within it – something like an accordion – that allows said wing to fold down quickly, or flex with ease.

From BBC • Mar. 3, 2026

The cube of concrete blocks topped with corrugated iron sheets cost him three years of sweat and sacrifice in a Saudi Arabian marble factory.

From Barron's • Feb. 16, 2026

The O’Smach building in which they were held was surrounded by high corrugated iron walls topped with barbed wire.

From The Wall Street Journal • Dec. 23, 2025

This year alone, the U.S. has shed roughly 10% of its capacity to produce containerboard, the thick paper used to make corrugated boxes.

From The Wall Street Journal • Dec. 17, 2025

Some of these she could identify even from a distance: Hart’s-tongue ferns, cinnamon ferns, and some with attractive crinkled edges she thought were called corrugated ferns or, if they weren’t, ought to be.

From "The Incorrigible Children of Ashton Place: Book I: The Mysterious Howling" by Maryrose Wood

Related Words

• crumpled