1. the state or quality of being obsolete; the condition of being no longer in use or no longer useful

Examples

• The obsoleteness of the old computer system became apparent when it couldn’t run modern software.
• Many workers feared the obsoleteness of their skills in the digital age.
• The obsoleteness of handwritten letters has been accelerated by email and texting.
• The company struggled with the obsoleteness of its manufacturing equipment.
• Teachers discussed the obsoleteness of certain teaching methods in today’s classrooms.
• The obsoleteness of the old regulations created confusion in the industry.