Obsolete Concepts

adjective no longer in use or no longer useful; outdated or outmoded

• The old software system became obsolete after the new update was released.
• Nobody uses CDs anymore, they're practically obsolete.
• Flip phones are so obsolete now, everyone has smartphones.
• His traditional way of thinking is becoming obsolete in today's fast-paced world.

noun a word that represents a person, place, thing, or idea

adjective a word that describes or modifies a noun

• The professor gave a dusty answer to the student's complex question.
• When I asked him about the project deadline, he just gave me a dusty answer.
• I hate when people give me a dusty answer instead of a straight one.
• Her response was like a dusty answer, vague and unclear.