

祭りの日は町中が陽気な音楽であふれています。
彼はいつも陽気で、パーティーを盛り上げてくれます。
昨日のパーティーは、みんな陽気だったね。
"ようきな(陽気な)" is in the lesson "Celebration" (Level 38), along with 12 other useful words. LinDuo has 180 topic lessons like this one, 2,379 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.