Learner's definition of FRIENDSHIP
1 : the state of being friends : the relationship between friends
They have a long-standing friendship. [=they have been friends for a long time]
They struck up a friendship. [=they became friends]
She formed many lasting friendships [=she made and kept many friends] during her time in college.
a friendship between two countries
2 [noncount] : a friendly feeling or attitude : kindness or help given to someone