Lonely people tend to be afraid of meeting others, which ensures they will always be lonely.
If you didn't have him to exchange letters with, you would be lonely.
What on earth are you doing in such a lonely place?
Working from home via computer can be lonely.
Mary was lonely because the other students didn't talk to her.
Lonely people perpetuate their own loneliness through their fear of others.
In a sense, I am turning around the argument made by David Riesman in The Lonely Crowd.
They will lodge by twos and threes in lonely farmhouses.
My grandfather died a few years ago and since that time she has been a little bit lonely.
I‘m lonely and I know almost no one
I became so lonely; I often used to sit in my car and listen to the kind voice of the satnav lady.
My friends were all busy last weekend so I went for a walk on my own in the park. I didn't feel lonely because I took my dog with me. Sometimes when I am in a new city on my own I feel lonely because I don't have any friends.
I think Joanna’s a bit lonely in London.
To Japanese, an American baby sleeping by himself seems lonely.