phase out

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

To remove or relinquish the use of (something) little by little, either via discrete diminishing phases or (by extension) by continuous gradations; to remove in phases, or as if by phases (gradually).

Nghĩa · Tiếng Việt

Loại bỏ hoặc từ bỏ việc sử dụng một thứ gì đó dần dần.

Machine-translated — suggest a fix

Where it’s used: Used American English

Examples

Leaded petrol was phased out in the course of the 1990s.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “phase out” mean?

To remove or relinquish the use of (something) little by little, either via discrete diminishing phases or (by extension) by continuous gradations; to remove in phases, or as if by phases (gradually).

Is “phase out” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.