결혼하지 않은 상태이거나 법적인 배우자가 없는.
Not currently in a legal or formal state of marriage; having no spouse.
예문:
"The survey focused on the living arrangements of unmarried young adults in urban areas."
"He remained unmarried throughout his life, dedicating himself entirely to his scientific research."
"Legal benefits for unmarried couples vary significantly from one country to another."