adj.
1.indicating the most important performer or role
2.going or proceeding or going in advance
3.greatest in importance or degree or significance or achievement
4.having the leading position or higher score in a contest
5.purposefully formulated to elicit a desired response leading n.
1.thin strip of metal used to separate lines of type in printing
2.the activity of leading
Idiom of the Day
head-on
front end to front end, with the front facing something
There was a serious head-on crash on the highway last night.