同义词是nobody，例如：

1、Several people were passing but nobody offered to help.有几个人擦肩而过，却没有人主动提出帮助。

2、If nobody objects， we'll postpone the meeting till next week.如果没有人反对，我们就把会议推迟到下周。

3、Nobody had a good word to say about him.没有一个人说过他好。