v.
1.shake, quiver, or throb
2.move or swing from side to side regularly
3.be undecided about something
4.sound with resonance
5.feel sudden intense sensation or emotion
Idiom of the Day
silly season
the time of the year (late summer) when there is no important news and news reporters focus on unimportant things
It was the end of summer and it was now the silly season for the news media.