n.
1.the state of being or appearing to be actively engaged in an activity
2.an Islamic fundamentalist group in Pakistan that fought the Soviet Union in Afghanistan in the 1980s
3.a humming noise hum v.
1.sing with closed lips
2.be noisy with activity
3.sound with a monotonous hum
4.make a low continuous sound
Idiom of the Day
play (someone) off against (someone)
to scheme in a manner that pits two of your opponents against each other
Our supervisor is always trying to play one group of employees off against another group.