Collocations for lonely - adj.

be, feel, look, seem
become, get

extremely, fairly, very, etc.
It gets pretty lonely here in winter.

awfully, desperately, incredibly, terribly, unbearably
She was desperately lonely at school.

a little, slightly, etc.

Lonely is used with these nouns:
childhood, existence, highway, life, night, old age, road, soul, spot, street, stretch, vigil