alone

"She felt alone in the crowded room."

"He prefers to work alone rather than in a group."

"After the party, she was left alone to clean up."

"He decided to travel alone this summer."

"The dog waited alone by the door."

"She enjoys spending time alone at the beach."

"The alone time helped her recharge."

"His alone created a sense of calm."

"Being in alone is not always a bad thing."