

У меня очень весёлый друг.
I have a very cheerful friend.
Почему ты сегодня такой весёлый?
Why are you so cheerful today?
Это был весёлый вечер.
It was a fun evening.
"весёлый" is in the lesson "Positive traits" (Level 28), along with 9 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.