lighten means a bright color or thing
"Harry, lighten up. Just because you failed your potions exam doesn't mean you have to be completely depressed over it!" (:
lighten your resolution.
it means they where trying to lighten the mood a litttle
In a lighter vein means less serious. This is similar to the phrase, "Lighten up".
If you have to rinse your hair after you lighten it then you can do it in the shower.
If windows are to dark is it possible to lighten them
he wanted to lighten his load
The noun forms for the verb to lighten are lightener, and the gerund, lightening.
you lighten fathers on fathers day.
uh use lighten dye?
It means to remove material from the coin, which makes it lighter.
it's obvious that the poor mule merely wanted to lighten his load. I was hoping that my attempt at humor would lighten the mood.