pensive

"Example Sentence: "My neighbor, a true melancholic, always looks sad and rarely smiles, even on sunny days." "

"The security guard's quick looking around the store helped him spot the shoplifter. "

"His sudden appearance surprised me."

"My sister is very helpful, especially when it comes to organizing things. "

"What is your thinking on this subject?"

"The sadness she felt after failing the test was understandable. "

"Idly, the detective thought what his next move should be."

"Most thoughtful people eventually solve the puzzle."

"She received many presents for her birthday."

"He is a student of life."

"His lack of respect disappointed her."

"The upcoming school holiday is a welcome break for the students. "