The difference between Deprecated and Obsolete

When used as adjectives, deprecated means strongly disapproved of, whereas obsolete means no longer in use.

Obsolete is also verb with the meaning: to cause to become obsolete.

check bellow for the other definitions of Deprecated and Obsolete

Deprecated as an adjective:

Strongly disapproved of.
Deprecated as an adjective:

Belittled; insulted
Deprecated as an adjective (computing):

Obsolescent; said of a construct in a computing language considered old, and planned to be phased out, but still available for use.

Examples:

"rfex en"

"Foo() has been deprecated; it outputs a debug message and then calls Foo2()"

"Note that deprecated functions are not removed."

Obsolete as an adjective (of words, equipment, etc.):

No longer in use; gone into disuse; disused or neglected (often by preference for something newer, which replaces the subject).

Examples:

"It is speculated that, within a few years, the Internet's speedy delivery of news worldwide will make newspapers obsolete."
Obsolete as an adjective (biology):

Imperfectly developed; not very distinct.

Obsolete as a verb (transitive, US):

To cause to become obsolete.

Examples:

"This software component has been obsoleted."

"We are in the process of obsoleting this product."