1. books with flexible paper covers, as opposed to hardcover books
Usage: plural of softback; also called paperbacks

Examples

• The bookstore had a large selection of softbacks on the discount table.
• She preferred buying softbacks because they were lighter to carry.
• The novel was first published in hardcover, then released in softbacks a year later.
• Students often choose softbacks for their textbooks to save money.
• The library’s softbacks section contained popular fiction and romance novels.
• Many travelers pack softbacks in their luggage since they take up less space.