Vocab5000
Dictionary CEFR Levels IELTS & TOEFL Idioms Games Download App

silly

adjective B1 Informal

Meaning

Silly means not serious or showing a lack of good sense; it can also describe something that is fun or playful.
💡 Be careful not to use "silly" in formal situations, as it can sound disrespectful.

Example Sentences

It was silly to forget my keys at home today .
That was a silly mistake , but it ’ s okay .
Why do you think that idea sounds so silly ?

Word in Context

I took my friend to the park to meet her new dog . The dog was very playful and jumped up when my friend tried to take a photo . She made a silly face to make the dog look at the camera , and people nearby smiled . We both laughed and felt happy after the picture . It was a small , nice moment that made our day better .

Common Phrases

silly joke silly mistake silly behavior

Synonyms

Never forget "silly"

Set a daily goal, reinforce with word cards and games, and track your progress in the Vocab5000 app — learn every B1 level word permanently with our science-based repetition system.

Vocab5000