To invite others to take part in a contest.

To get the better of.

A deep, narrow opening in rock caused by a split or crack.

Unwisely bold or daring.

Something that attracts.

A temporary and usually less strong replacement.

One who looks at things in the most positive way.

Earlier; happening before.

The path that must be followed to get to a place.

The hightest part; the top.

Short and to the point.

To block or defeat the plans or efforts of.

Running straight up and down; upright

A conference or meeting of the top leaders of governments.

Cheerful; hopeful

A feeling of hope or cheerfulness.

Artificial bait used for fishing.

An interesting task or problem; something that takes skill or effert.

A great mass of ice, earth, or snow mixed with rocks sliding down a mountain.

To question or argue against, especially when something is unfair or unjust.

A great amount of something.