Adjective Suffixes Worksheets and Exercises

These adjective suffixes worksheets are designed to help learners identify common suffixes, understand their meanings, and practice turning base words into descriptive adjectives. With a mix of matching, fill-in-the-blank, and sentence exercises, students will gain confidence in using adjectives accurately and creatively.

Adjective Suffixes Worksheets

Learning how to form adjectives using suffixes is a great way to expand vocabulary and improve sentence writing. Adjective suffixes like -ful, -less, -ous, -able, -y, -ic, -ive, and others help describe nouns more clearly and add detail to writing.

Take a moment to explore adjective suffixes before you begin practicing.

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Adjective Suffixes Exercises

Exercise 1: Match the Word to Its Adjective Form

Direction

Match each base word with its correct adjective form.

1. care →      a. lucky

2. danger →     b. forgetful

3. use →       c. dangerous

4. luck →       d. useful

5. forget →      e. careful

Answer Key

1. care → e. careful
2. danger → c. dangerous
3. use → d. useful
4. luck → a. lucky
5. forget → b. forgetful

Exercise 2: Choose the Correct Adjective Suffix

Direction

Add the correct suffix to form an adjective from the base word. Choose from -ful, -less, -ous, -al, -y, -ive, -ic, -able.

1. beauty → __________

2. help → __________

3. danger → __________

4. create → __________

5. mess → __________

6. energy → __________

7. act → __________

8. fear → __________

Answer Key

1. beauty → beautiful
2. help → helpful
3. danger → dangerous
4. create → creative
5. mess → messy
6. energy → energetic
7. act → active
8. fear → fearful

Exercise 3: Fill in the Blanks with the Correct Adjective

Direction

Use the word in parentheses and add the correct suffix to complete each sentence.

1. She is always very __________. (care)

2. That story was really __________. (humor)

3. This task is not __________ at all. (enjoy)

4. The baby is so __________ when she sleeps. (peace)

5. I had a very __________ day at work. (stress)

Answer Key

1. She is always very careful.
2. That story was really humorous.
3. This task is not enjoyable at all.
4. The baby is so peaceful when she sleeps.
5. I had a very stressful day at work.

Exercise 4: Identify the Suffix and Base Word

Direction

Underline the suffix and write the base word for each adjective.

1. comfortable

2. hopeful

3. historic

4. forgetful

5. childish

Answer Key

1. comfortable → Suffix: -able, Base: comfort
2. hopeful → Suffix: -ful, Base: hope
3. historic → Suffix: -ic, Base: history
4. forgetful → Suffix: -ful, Base: forget
5. childish → Suffix: -ish, Base: child

Exercise 5: Choose the Correct Adjective from the Options

Direction

Choose the correct adjective that fits the sentence.

1. The view from the mountain is absolutely __________.
   a) beauty b) beautiful c) beautify

2. He gave a very __________ answer to the question.
   a) logic b) logical c) logician

3. The soup tastes __________ without any salt.
   a) tasteful b) tasteless c) tasting

4. She wore a __________ dress to the party.
   a) color b) colorful c) coloring

5. We had a very __________ weekend at the beach.
   a) sun b) sunny c) sunning

Answer Key

1. beautiful
2. logical
3. tasteless
4. colorful
5. sunny

Exercise 6: Form Adjectives Using the Suffix in Brackets

Direction

Add the correct suffix to form an adjective from the base word.

1. forget (–ful) → __________

2. help (–less) → __________

3. wonder (–ful) → __________

4. danger (–ous) → __________

5. fame (–ous) → __________

6. child (–ish) → __________

7. create (–ive) → __________

8. peace (–ful) → __________

9. noise (–y) → __________

10. emotion (–al) → __________

Answer Key

1. forgetful
2. helpless
3. wonderful
4. dangerous
5. famous
6. childish
7. creative
8. peaceful
9. noisy
10. emotional