Outdated (adjective)

1. No longer current or fashionable.
2. No longer valid or useful because of being old-fashioned.
3. No longer in use or being replaced by something newer.
4. No longer relevant or suitable for the present time.
5. No longer current or modern.

Origin:

Early 19th century: past participle of obsolete outdate.

Examples:

1. The technology used in this device is outdated.
2. His ideas are outdated and no longer relevant.
3. The software is outdated and needs to be updated.
4. The fashion style is outdated and no longer in trend.
5. The information in this book is outdated and needs to be revised.