What does "wait up" mean?

To stay awake waiting or to slow down To stay awake for someone, or to ask someone to wait for you.

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

Wait up for me! She waited up until midnight. Wait up! I'm coming!

Phrasal Verb AmericanBritishAustralian ★★★★☆ Common informal

Meaning: To stay awake waiting or to slow down

熬夜等候；等一等

Quedarse despierto esperando; esperar

起きて待つ、待って（追いつくまで）

안 자고 기다리다, (따라잡을 때까지) 기다려 주다

To stay awake for someone, or to ask someone to wait for you.

为某人熬夜等待，或请求别人等你（放慢脚步让你跟上）。

Permanecer despierto esperando a alguien, o pedir que alguien te espere (que vaya más despacio).

誰かのために起きて待つこと、または相手に待ってもらうよう頼むこと（歩くのを遅くするなど）。

누군가를 위해 안 자고 기다리거나, 상대방에게 잠깐 멈춰 달라고 요청하는 것을 뜻한다.

Base verb: wait

Particle: up

Separable: No — the verb and particle stay together

Wait up for me!
等等我！/ 熬夜等我！
¡espérame! / ¡quédate despierto esperándome!
私のために起きて待ってて！/ 待って！
나 기다려 줘! / 잠깐 기다려!
She waited up until midnight.
她熬夜等到午夜
se quedó despierta hasta medianoche
彼女は真夜中まで起きて待った
그녀는 자정까지 안 자고 기다렸다.
Wait up! I'm coming!
等等！我来了！
¡esperadme! ¡ya voy!
待って！今行く！
기다려! 나 간다!

Context: waiting, staying awake, slowing

Tone: requesting

From waiting while staying up (awake).

Era: Modern

Generation: All ages

Social background: Universal