4 Rules for Superlative Adjectives with Examples and Exercises

Who is your best friend? What is the most delicious food in the world? If you didn’t know it already, whenever you talk about something you consider to be at the top level or bottom level of quality, you will use superlative adjectives to describe those opinions.

Let’s take a look at the difference between comparative and superlative adjectives and explore the rules for creating superlative adjectives in English. 

The difference between the superlative and comparative

Comparatives and superlatives are used to make comparisons of any sort. The difference between them is that the comparative (better, faster, etc) will compare two people or objects. With a comparative adjective, you also use the word ‘than’. You can study all the rules we follow in order to form a comparative in this blog post.

Take a look at the examples below:

  • This brownie is more delicious than the one we had yesterday.
  • The brownie is better than the ice cream.

Superlative adjectives also make comparisons. However, you use these to show how something or someone is different (for better or for worse) from all other options. Also, you don’t use the word ‘than’ to form a superlative comparison. Read the examples to see a superlative in a sentence.

  • This brownie is the most delicious brownie I have ever tasted.  
  • The brownie is the best dessert on the menu. 
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This brownie is the most delicious brownie in the world.

Rules to form superlatives 

There are four rules you need to study in order to create the superlative of the adjectives in English. If you want to review the rules we apply to the comparative form, take a look at this post here on the PrepEng blog.  

Do you understand the structure of a superlative sentence? Check your knowledge below.

 Messi is the most talented soccer player in the world.  

  • ‘Messi’ is the subject of the sentence.
  • ‘is’ is the verb.
  • ‘the most talented’ is the superlative adjective of  ‘talented.’
  • ‘soccer player in the world’ is the complement of the sentence.

Could you write a sentence using this information in the superlative?

  • Sally / is / tall / girl in her class

Check your answer in the last paragraph to see if you got it right!

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Rule #1 – one-syllable adjectives, add -est to the end 

With one-syllable adjectives, you add -est to the word in order to form the superlative.

A syllable is a voiced part of a word. For example, the word water has two syllables: wa-ter. The word drink has only one syllable. The word elephant has three syllables.

If you are unsure about how many syllables one adjective has, you can use the clap trick. It is very simple: clap every time you open your mouth while saying a word. You can also check a dictionary that will put small separators between each syllable.

Here is a superlative adjective list. Each has only one syllable and ends in -est.

Superlative Formthe cheapest
ExampleMy blue jacket is the cheapest item in my closet.
Superlative Formthe coldest
ExampleAlaska is the coldest state in the United States. 
Superlative Formthe oldest
ExampleKate is the oldest of her siblings. 
Superlative Formthe fastest
ExampleFerrari makes the fastest car in the world. 

For adjectives ending in ‘c-v-c’ (consonant-vowel-consonant), double the last letter and then add -est. 

  • big – the biggest 
    • Incorrect spelling: the bigest
    • Example: The elephant is the biggest animal I have ever seen. 
  • thin – the thinnest
    • Incorrect spelling: the thinest
    • Example: That was the thinnest dog ever. Poor thing, it must be starving. 
  • sad – the saddest 
    • Incorrect spelling: the sadest
    • Example: Wow! This was definitely the saddest movie I have ever watched. 

Rule #2 – If the adjective ends in –y, add -iest

Superlative Formthe angriest 
ExampleMy math teacher is the angriest teacher in the school. 
Superlative Formthe busiest
ExampleThis will be the busiest week in the year for the financial department. 
Superlative Formthe happiest
ExampleMy wedding day was the happiest day of my life. 
Superlative Formthe tidiest
ExampleLaura’s house is the tidiest home I have ever visited. 
Superlative Formthe funniest
ExampleIn my opinion, Adam Sandler is the funniest actor in Hollywood. 

Rule #3 – Use ‘the most’ for long adjectives with two or more syllables 

Superlative Formthe most careful
ExampleMy grandpa is the most careful person I have ever met. 
Superlative Formthe most difficult
ExampleThis is the most difficult test I have ever taken. 
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“This is the most difficult test I have ever taken!”
Superlative Formthe most interesting
ExampleThe second book is the most interesting of the trilogy.
Superlative Formthe most beautiful
ExampleYou have the most beautiful eyes in the family! 
Superlative Formthe most expensive
ExampleI love this dress. It is the most expensive piece of clothing I have ever bought.  

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Rule #4 – Irregular forms 

  • GOOD – The superlative form is ‘the best’  

  • BAD – The superlative form is ‘the worst’  

  • FAR –  The comparative form is ‘the farthest’.  

Exercise: Comparative or Superlative?