First Grade Synonyms and Antonyms Worksheet

If you need a first grade synonyms and antonyms worksheet, these options should work whether you’re in a classroom or at home. Each worksheet features unique synonyms and antonyms, so they don’t duplicate each other. Use your imagination to complete them on the computer screen.

First grade school girl working on educational worksheet

Choose the Synonym and Antonym Worksheet

Beginners can use this worksheet where they’re asked to choose a synonym or antonym from a list of words.

Synonym and Antonym Words

Can you think of other synonym examples for each set of words?

• Big/little

• Glad/mad

• Same/alike

• Good/bad

• Hot/cold

• Easy/hard

• Empty/full

Antonym Practice Questions

Think of an antonym for the underlined word in each sentence. For an extra challenge, see how many antonyms you can come up with for each sentence. 

1. It is time to begin our lesson. 

2. My food is very hot.  

3. Would you please close the door.

4. Do not start running yet. 

5. That is a good dog.  

6. This test is easy.

7. My glass is empty.  

8. Is that a frown on your face? 

9. You have to go up the stairs. 

10. I am late for the meeting.

Tips for Using the Worksheet

This worksheet features two sections, one for synonyms and one for antonyms. 

• Use each section of the worksheet to teach a group lesson by completing them together and explaining the answers as you go.

• Take the worksheet a step further and ask kids to write an antonym for each word in the synonym section and a synonym for each word in the antonym section. 

• Use the worksheet as a test. 

Synonym and Antonym Fill-in-the-Blanks Worksheet

Kids who fully understand the concepts of synonyms and antonyms can move on to a fill-in-the blanks worksheet. Students will need to find synonyms and antonyms on their own in parts of this worksheet.

Synonym and Antonym Words

Can you think of additional antonyms for each set of words?

• Bucket/pail

• Speak/talk

• Shut/close

• Here/there

• Messy/tidy

Synonym Practice Questions

Think of a synonym for the underlined word in each sentence. 

1. You are a kind person.   __________

2. Please bring me that pail.   _________

3. This room is very messy.  __________

4. Please shut the window.   __________

5. He is as fast as lightning.  __________

6. Your desk is very tidy.   __________

7. If you are sleepy, then go to bed.

8. I need a paper sack for groceries.

9. Are you happy you came? 

She needs to speak with you.

Tips for Using This Worksheet

Practice both synonyms and antonyms with these examples.

• Ask students to rewrite the synonym sentences using an antonym for the underlined word. 

• Have students rewrite the antonym sections using synonyms for the antonym pairs they identified. 

• Instead of writing synonyms and antonyms, ask kids to draw a picture that incorporates the synonyms and antonyms. 

Expand Your Vocabulary 

Learning about synonyms and antonyms helps first graders easily expand their vocabulary. This important part of 1st grade grammar lessons helps you teach new vocabulary words or explain how to find the opposite of words. When you finish all the worksheets, check out more examples of antonyms, synonyms, and homonyms for kids.