Meaning : Make more cheerful.
Example :
The conversation lightened me up a bit.
Synonyms : buoy up, lighten up
Meaning : Reduce the weight on. Make lighter.
Example :
She lightened the load on the tired donkey.
Meaning : Become more cheerful.
Example :
After a glass of wine, he lightened up a bit.
Synonyms : buoy up, lighten up
Meaning : Make more cheerful through the use of color.
Example :
The paint will brighten the room.
Synonyms : brighten, lighten up
Meaning : Alleviate or remove (pressure or stress) or make less oppressive.
Example :
Relieve the pressure and the stress.
Lighten the burden of caring for her elderly parents.
Synonyms : relieve