Gone ,finish ,no longer exist
It is an obsolete term for debt.
I've seen it as a wrong spelling for obsolete.
It's an obsolete word for a dog's leash.
It is an obsolete word meaning 'to dry up'
That would be a quirky way to describe the situation, to say the least. I don't think it is correct. Obsolete and extinguished don't mean the same thing. Something that's obsolete might still be in effect. For instance, someone might say that "The internet makes copyright law obsolete." That doesn't mean that the internet caused copyright law to stop existing.
The horse and carriage are obsolete as modes of transportation, so this idiom means that something has become obsolete or passed out of common usage.
Dost is the archaic, obsolete 2nd person singular of the verb "to do."
The Gaelic language, especially Irish Gaelic. An obsolete term.
There is no mean of life, life obsolete compared to machines. Although you can pass your life by dying
"Sepersede" is not a standard English word and may be a misspelling or confusion with "supersede." To supersede means to take the place of something or someone, often by replacing it or rendering it obsolete. If "sepersede" is intended in a different context, please provide more information for clarification.
That means that it is no longer able to perform with current technology. For example, you could not load Windows 7 on a 286 computer; that computer is obsolete.
Obsolete is an adjective.