What does "phase out" mean?

To gradually discontinue To stop using or supporting something over time.

How do you use "phase out" in a sentence?

They're phasing out the old system. The feature is being phased out. We phased out legacy support.

Phrasal Verb BritishAmericanAustralian ★★★★☆ Common Neutral

Meaning: To gradually discontinue

逐步淘汰、逐步停用

Eliminar gradualmente, descontinuar

段階的に廃止する

단계적으로 폐지하다

To stop using or supporting something over time.

随着时间推移停止使用或支持某项功能。

Dejar de usar o dar soporte a algo con el tiempo.

時間をかけて使用やサポートを停止すること。

시간을 두고 점진적으로 사용이나 지원을 중단하는 것.

Base verb: phase

Particle: out

Separable: Yes — the object can go between the verb and particle

They're phasing out the old system.
他们正在逐步淘汰旧系统
Están eliminando gradualmente el sistema antiguo
古いシステムを段階的に廃止している
기존 시스템을 단계적으로 폐지하고 있어.
The feature is being phased out.
这个功能正在被逐步停用
La función está siendo descontinuada
その機能は段階的に廃止されている
그 기능은 단계적으로 폐지되고 있어.
We phased out legacy support.
我们停止了对旧版的支持
Dejamos de dar soporte a versiones antiguas
レガシーサポートを廃止した
레거시 지원을 폐지했어.

Context: deprecation, discontinuation, change

Tone: professional

From doing something in phases.

Era: Modern

Generation: Working age

Social background: Professional