Uncountable Nouns

Uncountable nouns (also called mass nouns or non-count nouns) are nouns that we cannot count individually. They do not have a plural form, and we do not use a or an before them.

Why do uncountable nouns exist?

Languages group the world in different ways. In English, some things feel too continuous or abstract to count. You cannot pick up one "happiness" and put it on a scale. You cannot order "two knowledges". These ideas exist as wholes, not as individual units.

Liquids, powders, gases, and abstract ideas usually fall into this category.

Common categories

Here are the main groups of uncountable nouns, with examples:

• LIQUIDS: water, milk, oil, juice, coffee, blood
• FOOD SUBSTANCES: rice, bread, sugar, salt, flour, butter
• GASES & MATERIALS: air, smoke, wood, glass, metal, plastic
• ABSTRACT IDEAS: love, time, knowledge, advice, freedom, happiness
• ACTIVITIES: homework, travel, research, work, sleep, music
• NATURAL THINGS: rain, snow, sunshine, electricity, gravity

Grammar rules to remember

Uncountable nouns follow a few clear rules. Once you learn them, they become second nature.

No plural form. We do not add -s or -es. We say information, not informations. We say furniture, not furnitures.

No "a" or "an." We cannot use the indefinite article with uncountable nouns. A music is wrong; music alone is correct.

Use "some," "any," or "much" instead. These words work well with uncountable nouns.

• Can I have some water?
• We do not have any milk left.
• There is too much noise in here.

Making uncountable nouns countable

Sometimes you want to talk about a specific amount. You can do this by adding a container word or unit word in front.

This is called a partitive structure.

• a cup of coffee
• a piece of advice
• two slices of bread
• a bag of rice
• three hours of work

Nouns that can be Countable and Uncountable

Some nouns can be both countable and uncountable. It depends on how you use them. This is one of the trickier parts of English!

• Light (uncountable): "The room was full of light."
• A light (countable): "Can you turn off the light?"
• Experience (uncountable): "She has a lot of experience."
• An experience (countable): "That was a wonderful experience."
• Hair (uncountable): "She has beautiful hair."
• A hair (countable): "There is a hair in my soup."