lonely的反义词是: cheerful
She was a very cheerful agreeable woman .
她是一个非常快乐,随和的人。
He gets cheerful and depressed by turns .
他的情绪高一阵低一阵。
She has precious little to be cheerful about .
她几乎毫无乐趣。
The letter ended on a cheerful note .
这封信以乐观的口气收尾。
Clym, the afflicted man, was cheerful .
克林本是受苦的人,而却永远兴致勃勃。