What does "wash up" mean?

To wash the dishes (British) or wash hands/face (American) British: to clean dishes after a meal. American: to clean yourself.

How do you use "wash up" in a sentence?

I'll wash up after dinner. Go wash up before eating. The dishes are washed up.

Phrasal Verb BritishAmericanAustralian ★★★★★ Very Common Casual

Meaning: To wash the dishes (British) or wash hands/face (American)

（英式英语）洗碗，（美式英语）洗手洗脸

Fregar los platos (británico) o lavarse las manos/cara (americano)

（イギリス英語）食器を洗う、（アメリカ英語）手や顔を洗う

(영국 영어) 설거지하다, (미국 영어) 손이나 얼굴을 씻다

British: to clean dishes after a meal. American: to clean yourself.

英式英语：饭后洗碗。美式英语：清洗自己。

En inglés británico: lavar los platos después de comer. En inglés americano: lavarse uno mismo.

イギリス英語では食事の後に食器を洗うこと、アメリカ英語では自分の体を洗うことを意味します。

영국 영어: 식사 후 설거지를 하다. 미국 영어: 자기 자신을 씻다.

Base verb: wash

Particle: up

Separable: No — the verb and particle stay together

I'll wash up after dinner.
晚饭后我来洗碗
Yo friego después de cenar
夕食後に食器を洗うよ
저녁 먹고 나서 설거지할게.
Go wash up before eating.
吃饭前去洗洗手
Ve a lavarte antes de comer
食べる前に手を洗っておいで
밥 먹기 전에 손 씻고 와.
The dishes are washed up.
碗已经洗好了
Los platos están fregados
食器は洗い終わった
설거지는 다 끝났어.

Context: cleaning, hygiene

Tone: domestic

From washing things until clean.

Era: Modern

Generation: All ages

Social background: Universal

Regional notes: Different meanings in UK vs US