rubiginous.

Having a reddish-brown color or character resembling rust.

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Words that belong together

• rubiginous stain

On the page

A rubiginous stain spread below the hinge.

The wall bore rubiginous streaks.

Usage notes

Primary category: literary. Forms: Normally non-gradable as a color or relational classification; degree comparisons depend on descriptive context. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.