obsolete

As adjectives the difference between legacy and obsolete

is that legacy is of a computer system that has been in service for many years and that a business still relies upon, even though it is becoming expensive or difficult to maintain while obsolete is no longer in use; gone into disuse; disused or neglected (often by preference for something newer, which replaces the subject).

As a noun legacy

is money or property bequeathed to someone in a will.

As a verb obsolete is

to cause to become obsolete.

As adjectives the difference between fallow and obsolete

is that fallow is (of agricultural land) ploughed but left unseeded for more than one planting season or fallow can be of a pale red or yellow, light brown; dun while obsolete is obsolete, deprecated (computing).

As a noun fallow

is (agriculture|uncountable) ground ploughed and harrowed but left unseeded for one year.

As a verb fallow

is to make land fallow for agricultural purposes.

As adjectives the difference between obnoxious and obsolete

is that obnoxious is extremely unpleasant, offensive, very annoying, odious or contemptible while obsolete is no longer in use; gone into disuse; disused or neglected (often by preference for something newer, which replaces the subject).

As a verb obsolete is

to cause to become obsolete.

As adjectives the difference between obdurate and obsolete

is that obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent while obsolete is obsolete, deprecated (computing).

As adjectives the difference between unnecessary and obsolete

is that unnecessary is not needed or necessary while obsolete is no longer in use; gone into disuse; disused or neglected (often by preference for something newer, which replaces the subject).

As a verb obsolete is

to cause to become obsolete.

As an adjective obsolete

is obsolete, deprecated (computing).

As a noun dialect is

(linguistics) a variety of a language (specifically, often a spoken variety) that is characteristic of a particular area, community or group, often with relatively minor differences in vocabulary, style, spelling and pronunciation.

As verbs the difference between dilapidated and obsolete

is that dilapidated is past participle of lang=en while obsolete is to cause to become obsolete.

As adjectives the difference between dilapidated and obsolete

is that dilapidated is having fallen into a state of disrepair or deterioration, especially through neglect while obsolete is no longer in use; gone into disuse; disused or neglected (often by preference for something newer, which replaces the subject).

As an adjective obsolete

is obsolete, deprecated (computing).

As a verb observe is

.

As a verb achieved

is (achieve).

As an adjective obsolete is

obsolete, deprecated (computing).

As adjectives the difference between obsolete and furious

is that obsolete is no longer in use; gone into disuse; disused or neglected (often by preference for something newer, which replaces the subject) while furious is transported with passion or fury; raging; violent.

As a verb obsolete

is to cause to become obsolete.