Opposites: Antonyms All Around

Antonyms are words that mean the exact opposite of each other, like hot and cold or big and little.

Reading is good — doing is better. Practice Opposites: Antonyms All Around as an interactive lesson.

Definition

An antonym is a word that means the opposite of another word. Opposites show two things that are as different as they can be. When you know a word, learning its opposite helps you understand both words even better.

Remember the rule

If you can say 'Word A means the OPPOSITE of Word B,' then those two words are antonyms!

Key words

antonym: A word that means the opposite of another word. Hot and cold are antonyms.
opposite: Something that is as different as possible from something else. Up is the opposite of down.
pair: Two things that go together. Antonyms come in pairs, like fast and slow.
big: Large in size. Its antonym is little or small.
happy: Feeling good and joyful. Its antonym is sad.
day: The time when the sun is out. Its antonym is night.
on: Resting on top of something. Its antonym is off.
stop: To not move anymore. Its antonym is go.

Worked examples

What is the antonym of hot?

→ Cold · Hot means very warm; cold means not warm at all — they are as different as they can be.

What is the antonym of big?

→ Little (or small) · Big means large in size, and little means small in size — total opposites.

What is the antonym of happy?

→ Sad · Happy means you feel good; sad means you feel bad — completely opposite feelings.

What is the antonym of up?

→ Down · Up means toward the sky; down means toward the ground — opposite directions.

What is the antonym of day?

→ Night · Day is when the sun shines; night is when it is dark and the stars come out.

What is the antonym of fast?

→ Slow · Fast means moving quickly; slow means moving with little speed — the two ends of how fast something can go.

Common mistakes

Picking a word that is just different instead of truly opposite. For example, saying the antonym of happy is tired — tired is different, but sad is the true opposite.
Thinking a word only has one correct antonym. Big can be opposite to little, small, or tiny — more than one word can work!
Confusing antonyms with synonyms. Synonyms mean the SAME thing (happy and joyful). Antonyms mean the OPPOSITE thing (happy and sad).
Using the same word with 'not' in front and calling it an antonym, like saying the opposite of hot is 'not hot.' That is okay for understanding, but the real antonym word is cold.
Mixing up the pair and saying the antonym of cold is hot, then later saying the antonym of hot is warm. Stay consistent — hot and cold are each other's antonyms.

FAQs

What does antonym mean?

Antonym is just the fancy word for opposite. If someone asks for an antonym, they are asking for the word that means the exact opposite.

How can I remember what an antonym is?

Think of the word ANT. Ants are tiny — and the word antonym is the tiny helper that shows you the opposite side of a word! Or just remember: ANTonym = AGAINST (opposite).

Can a word have more than one antonym?

Yes! The word big can have the antonyms little, small, or tiny. All of those work because they all mean not big.

Are antonyms and opposites the same thing?

Yes! Opposites and antonyms mean the same thing. Opposite is the easy everyday word, and antonym is the school word for it.

What if I cannot think of the antonym?

Try to picture the word in your head. If the word is hot, picture something very hot like fire. Now picture the total opposite — something cold like ice. The word cold is your antonym!

Do all words have antonyms?

Not every word has a clear opposite. Words like table or pencil do not really have antonyms. But words that describe feelings, sizes, directions, and speeds almost always do!

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