Synonyms for 'solitary' and 'single'

I know how to enjoy my privacy, and I never really feel ....., even when there is nobody around.

Marion went all ..... on this journey. All the rest of the family decided to stay home.

At the end of such a busy day, John only wanted to take a ..... walk. He didn't want to see people around him for a while.

It was the crying of the baby next door that made her feel even more ..... and depressed.

After his mother's death, Peter used to spend long ..... hours at the bar.

I feel so ..... since my sister got married and moved in with her husband.

Lately one can see a lot of ..... children on a flight.

Jane knew that her husband had been having an affair for quite a while, but she never said a ..... word about it.

He can afford the best suite in the hotel, but he always takes a(n) ..... room.

Jason thoroughly enjoyed his ..... dinner.