It’s a unified. The rule for using “a” or “an” is based on pronunciation, not spelling. Since the word “unified” begins with the sound “you”, it takes the indefinite article “a”.

It’s a unified. The rule for using a or an is based on pronunciation, not spelling. Since the word “unified” begins with the sound “you”, it takes the indefinite article “a”.

We need to implement a unified collaboration strategy.

We need to implement an unified collaboration strategy.

Remember, if the following word has a consonant sound (e.g., unified, united, union, unifying, etc.), then the indefinite article to use is “a.”

A unified territory may be viewed as a problem rather than a solution.

A unified monetary policy may have a significant impact on both inflation and unemployment.

More examples:

A unified theory of everything is a hypothetical framework that explains the fundamental interactions of nature.

They should create a unified army to tackle extremist groups.

A unified code of immigration would play a key role in the area.

This is a partial list of words that begin with the vowel "u" but take the indefinite article “a”: