Dictionary.com
Thesaurus.com
Showing results for "madder"
  • comparative of mad.

madder

1 American  
[mad-er] / ˈmæd ər /

noun

madders plural
  1. any plant of the genus Rubia, especially the climbing R. tinctorum, of Europe, having open clusters of small, yellowish flowers.

  2. the root of this plant, formerly used in dyeing.

  3. the dye or coloring matter itself.

  4. a color produced by such a dye.


madder 2 American  
[mad-er] / ˈmæd ər /

adjective

  1. comparative of mad.


madder 1 British  
/ ˈmædə /

noun

  1. any of several rubiaceous plants of the genus Rubia, esp the Eurasian R. tinctoria, which has small yellow flowers and a red fleshy root

  2. the root of this plant

  3. a dark reddish-purple dye formerly obtained by fermentation of this root; identical to the synthetic dye, alizarin

  4. a red lake obtained from alizarin and an inorganic base; used as a pigment in inks and paints

"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

madder 2 British  
/ ˈmædə /

adjective

  1. the comparative of mad

"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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of madder

before 1000; Middle English mad ( d ) er, Old English mæd ( e ) re; cognate with Old Norse mathra, Old High German matara

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"I'm mad about the price, but I'm even madder about why it's so high," the 28-year-old told AFP.

From Barron's • May 2, 2026

"And of course now I'm even madder than I was before because I've thought of little else now for two years."

From BBC • Sep. 26, 2025

Depending on how things go, the situation might get even madder.

From Los Angeles Times • Mar. 17, 2024

In the mad rush to get on the plane first, things are getting even madder.

From Seattle Times • Feb. 19, 2024

My refusing to take the can of sour mash made Jimbo madder than I had ever seen him.

From "Summer of the Monkeys" by Wilson Rawls

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "madder" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com