Loud and clear mean and unkind clean and tidy big and strong

These are examples of compound adjectives. They are formed by combining two words to create a single adjective that describes a noun.

• loud and clear: a sound that is both loud and easy to understand
• mean and unkind: behavior that is both unkind and malicious
• clean and tidy: something that is both clean and organized
• big and strong: something that is both large in size and powerful