madder

• 形容极度愤怒的状态，在某些语境下也指精神失常；非正式用法中还可表示对某事非常痴迷。

Describes a state of being very angry or, in some contexts, mentally disturbed; also used informally to mean 'very enthusiastic about' something.

1. AngryA2informalamerican

   Feeling or showing anger; furious.

   生气

   • She was mad at him for being late.
   • Don't get mad, it was just a mistake.
   • He was so mad he couldn't speak.

   同义词angryenragedfuriousincensedinfuriatediratelividoutragedseethingwrathful

   反义词calmcomposedcontentpeacefulpleased

2. Insane or mentally illB1formal

   Having a serious mental illness; not sane.

   精神失常的

   • The character in the story went mad from isolation.
   • He was declared mad by the court.
   • The asylum housed many mad people.

   同义词crazedcrazydementedderangedinsanelunaticmaniacalmentally illpsychoticunhinged

   反义词balancedlucidrationalsane

3. Very enthusiastic or obsessedB1informal

   Extremely enthusiastic or obsessed about something.

   狂热的

   • He's mad about football.
   • She's mad for vintage cars.
   • They are mad about the new video game.

   同义词crazyfanaticalhookedinfatuatednutsobsessedpassionatewild

   反义词apatheticdispassionateindifferentuninterested

4. Foolish or unwiseB2informalbritish

   Showing a lack of good sense; foolish.

   愚蠢的

   • It would be mad to drive in this storm.
   • That was a mad decision to quit your job without a plan.
   • Only a mad person would try to climb that cliff without gear.

   同义词absurdfoolishidioticludicroussenselesssillyunwise

   反义词judiciousprudentsensiblewise

• 指茜草科茜草属的一种欧亚草本植物，开小黄花，根呈红色，其根曾被用来提取茜素染料。

A noun referring to a Eurasian herb with small yellow flowers and red roots, historically used as a source of the dye alizarin.

1. Plant used for dyeC1formal

   A Eurasian herb with small yellow flowers and red roots, historically a major source of the red dye alizarin.

   染色用植物

   • Madder was widely cultivated in Europe for its dye.
   • The roots of the madder plant produce a vibrant red color.
   • Ancient textiles were often colored using madder.

• 古旧动词，意为发疯、变得疯狂，或暴怒、行为狂乱。现已不再使用。

An obsolete verb meaning to be or become mad, to rage, or to act wildly. It is no longer in common use.

1. To color with a red dyeC2formalart

   To dye or color something a moderate to strong red, especially using madder plant extract.

   用茜草染红

   • The artisan maddered the fabric a deep crimson.
   • They maddered the wool using traditional techniques.
   • The artist maddered the painting's background to give it a warm hue.