'funny' can be used as an adjective to describe something humorous or amusing.
1. I couldn't help but laugh at his funny joke.
2. He always has a funny way of telling stories.
3. The two clowns were so funny that everyone was rolling with laughter.
when used as an adjective, 'funny' is most commonly used to describe situations, people, and humor. As with other adjectives, it should not be used in a passive form, such as 'I was made funny by the joke.'