20 Examples of Irregular Adjectives in English

In this blog post, you will learn 20 examples of irregular adjectives in English and how to use them correctly in sentences. These adjectives help you understand how some descriptive words change forms in ways that are different from regular patterns. Knowing irregular adjectives improves speaking, reading, writing, and listening skills. Our aim is to help you master these adjectives step by step. Keep reading and make your English more accurate and expressive today.

To learn more about each and everything related to adjectives in English, you can visit our category: Adjectives

Irregular Adjectives: Definition and Example

Irregular adjectives are adjectives that do not follow normal rules when we make their comparative (better) or superlative (best) forms.

Read more about: Comparative and Superlative Adjectives in detail.

Instead of adding -er or -est, the whole word often changes completely.

Key idea: These adjectives have special forms, different patterns, and unique changes.

20 Examples of Irregular Adjectives

Below is the complete list of 20 common irregular adjectives with their basic, comparative, and superlative forms.

Base Form
Comparative
Superlative
Good
Better
Best
Bad
Worse
Worst
Far
Farther / Further
Farthest / Furthest
Little (amount)
Less
Least
Many
More
Most
Much
More
Most
Well
Better
Best
Old
Older / Elder
Oldest / Eldest
Late
Later
Latest
Near
Nearer
Nearest
Fore
Former
Foremost
In
Inner
Innermost
Out
Outer
Outermost
Up
Upper
Uppermost
Low
Lower
Lowest
High
Higher
Highest
Small (quantity)
Less
Least
Big (size)
Bigger*
Biggest*
Friendly
More friendly*
Most friendly*
Busy
Busier*
Busiest*
20 Examples of Irregular Adjectives
20 Examples of Irregular Adjectives

*Note: The last four follow some spelling changes but remain irregular in use because the word changes shape rather than simply adding -er or -est.

Irregular Adjectives Examples in Sentences

Here are short and simple examples for easy understanding.

  • Good: This book is good, but that one is better.
  • Bad: His idea was bad, but the next one was worse.
  • Far: The shop is farther than the school.
  • Little: I have less sugar than you.
  • Many: She has more friends now.
  • Old: My eldest brother lives abroad.
  • High: This wall is higher than the gate.
  • Busy: He is busier today than yesterday.
  • Friendly: She is the most friendly in class.

Summary of 20 Irregular Adjectives

Adjective Type
Examples
Shows quality change
Good → Better → Best
Shows negative quality
Bad → Worse → Worst
Shows distance
Far → Farther/Further
Shows amount
Little → Less → Least
Shows number
Many → More → Most
Shows physical change
High → Higher → Highest
Shows spelling change
Busy → Busier → Busiest

Irregular adjectives are a small group of adjectives with special forms. You cannot change them using the normal -er or -est rules. Learning these 20 useful examples will help you speak and write with more confidence. Keep practising them with sentences, and soon they will feel natural and easy to use.


FAQs

What are irregular adjectives?
Irregular adjectives are adjectives that do not follow the normal rules for comparatives and superlatives. Their forms change completely, such as good → better → best.

What are the most common irregular adjectives?
Common irregular adjectives include good, bad, far, little, many, much, old, late, well, and high. Their comparative and superlative forms do not follow regular -er or -est rules.

How do irregular adjectives change in comparison?
Irregular adjectives change in unique ways. For example: bad → worse → worst, and little → less → least. You must memorise them because they do not follow standard patterns.

What is the difference between farther and further?
Farther is usually used for physical distance, while further is used for extra degree or additional information. Both are comparative forms of the adjective far.


Read More

  1. Irregular Subjunctive Verbs​
  2. Unique Irregular Verbs List
  3. Regular and Irregular Verbs
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Muhammad Matloob
Muhammad Matloob

Matloob is the founder of Vocabish, an educational website dedicated to helping students, teachers, and English learners improve their language skills. He creates practical learning resources on English grammar, vocabulary, phrasal verbs, confused words, speaking English, and worksheets. His goal is to make English learning simple, engaging, and accessible through clear explanations, real-life examples, and useful practice materials.

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