Adjective-Noun Agreement in English: The Key to Proper Sentence Construction

As someone who works with language every day, you have probably already noticed that English has a lot of rules. From grammar to spelling, there are many subtleties that can make the difference between a sentence that makes sense and one that simply doesn`t. One of the most important rules to remember is adjective-noun agreement. This principle ensures that adjectives and nouns in a sentence are grammatically correct and agree with each other.

What is Adjective-Noun Agreement?

Adjective-noun agreement refers to the way that adjectives and nouns in a sentence “agree” with each other grammatically. The basic rule is simple: adjectives must match the gender and number of the noun they are describing. For example, if you’re describing a singular, feminine noun, the adjective should be in its singular, feminine form. Similarly, if you’re describing a plural masculine noun, the adjective should be in its plural, masculine form.

Why is Adjective-Noun Agreement Important?

Adjective-noun agreement is essential because it ensures that all elements of a sentence are properly aligned. If a sentence contains a noun and an adjective that do not agree, then the sentence risks becoming confusing or nonsensical. For example, if you were to write, “The big cats is fierce,” the mismatch between the singular noun “cats” and the plural adjective “big” would create an awkward sentence. Similarly, if you were to say, “The boy wears a red shoes,” the mismatch between the singular noun “shoes” and the plural adjective “red” would make the sentence incorrect.

How to Apply Adjective-Noun Agreement in Practice

To apply adjective-noun agreement in practice, it is important to understand how different nouns and adjectives change based on gender and number. In English, there are several basic rules to follow:

– Singular nouns should be paired with singular adjectives.

– Plural nouns should be paired with plural adjectives.

– Feminine nouns should be paired with feminine adjectives.

– Masculine nouns should be paired with masculine adjectives.

– Neutral nouns (such as “it” or “thing”) can be paired with either masculine or feminine adjectives.

Additionally, there are a few irregular nouns and adjectives that do not follow these rules. For example, some plural nouns in English (like “children” or “sheep”) do not have a separate singular form. Similarly, some adjectives (like “good” or “bad”) do not change based on the gender of the noun they describe.


Adjective-noun agreement is a fundamental rule of English grammar that every copy editor or writer should know. By ensuring that the adjectives and nouns in a sentence match each other in gender and number, you can create clear, logical sentences that are easy to read and understand. Remember to pay attention to the details and take the time to carefully construct your sentences, and you will be well on your way to becoming a master of adjective-noun agreement.

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