Usage examples for loneliness:

• She could have cried with pity at the thought of her own loneliness "The Captives" – Hugh Walpole

• For a minute or two its sudden and complete disappearance leaves the world chill and desolate; a cold hand clutches at the human heart; a loneliness enters the soul. "There was a King in Egypt" – Norma Lorimer

• How do we explain it, then, from his point of view, that this stream of people, representative of a widespread society, is utterly indifferent to that Figure so pathetic in its loneliness so tragic in its appeal, and almost aggressive in its sorrow? "Men in the Making" – Ambrose Shepherd

• Sonali had been there longer than the others- for three days, there had been no one but herself out there in the loneliness of space. "The Penal Cluster" – Ivar Jorgensen (AKA Randall Garrett)