obsolete is an adjective that describes something that is no longer in use or no longer produced. It typically implies that the thing is outdated or has been replaced by something newer. Examples of this include an obsolete form of technology or an obsolete rule. Rules become obsolete when they are no longer in force or have been adopted by a new set of regulations.
1. Many of today's healthcare practices are regarded as obsolete.
2. My parents still own an obsolete electronic device.
3. The outdated policy was declared obsolete by the government council.
obsolete is typically used to describe machines and other creations that have been surpassed by newer technology. It can also refer to customs and laws that are no longer in effect. When using this word, be sure to emphasize that the thing is no longer uses or applicable.