What are the definitions of “phase in”?

Learn how to use these expressions through these examples

1Introduce gradually.
They are PHASING IN the reforms over the next two years.

What’s the most common meaning of the phrasal verb “phase in”?

The most common meaning of the phrasal verb phase in is to introduce something gradually or step by step. It is often used when talking about implementing new policies, systems, or changes over a period of time.

What are the different verb forms of “phase in”?

Root Verb	phase in
Third Person Singular Present	phases in
Present Participle	phasing in
Simple Past	phased in
Past Participle	phased in

Example

The company plans to phase in the new software over the next six months.

Example

The government phases in new tax regulations every year.

Example

They are phasing in the new curriculum for the school year.

Example

The organization phased in the new policies last year.

Example

The changes have been phased in over the past few months.

What kind of phrasal verb is “phase in”?

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Notes from a Native English Speaker

What is a transitive and intransitive verb? - A transitive verb always has an object after it. (Example: Sam bought a car.) - An intransitive verb never has an object.(Example: She laughed loudly.)

Transitive verb

“phase in” is a transitive phrasal verb because it requires a direct object to complete its meaning. The direct object specifies what is being removed, obtained, or eliminated.

Example

The company phased in the new policies.

Example

The government phased the new regulations in gradually.

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Notes from a Native English Speaker

What is a separable and inseparable phrasal verb? - A “separable phrasal verb” can be separated with an object between the verb and particle. - An “inseparable phrasal verb” cannot be separated by an object.

Inseparable

“phase in” is an inseparable phrasal verb. This means that you can’t place an object between the verb and the particle, otherwise, it changes the meaning of the phrasal verb.

Example

The company phased in the new policies.

Example

The government phased the new regulations in gradually.

What are common phrases and expressions that include the phrasal verb “phase in”?

Phase in a new system

Gradually implement a new system or process.

Example

The company is phasing in a new system to improve efficiency.

Phase in changes

Introduce changes or modifications over time.

Example

The school is phasing in changes to the curriculum to better meet students' needs.

Phase in a policy

Gradually implement a new policy or rule.

Example

The government plans to phase in the new tax policy over the next three years.

Good things to know

Does “phase in” have an informal or formal tone?

Phase in is a neutral phrasal verb that can be used in both formal and informal contexts. It is commonly used in business, government, and educational settings when discussing the gradual implementation of new systems, policies, or changes.

What are synonyms of antonyms to the phrasal verb “phase in”?

Synonyms

introduce gradually
implement gradually
incorporate slowly
bring in progressively
gradually establish

Antonyms

discontinue
abolish
eliminate
phase out
terminate