They are traditions that are no longer accepted again into our culture.
An outmoded custom is a traditional practice or behavior that is no longer relevant or widely accepted in contemporary society. These customs often reflect outdated beliefs or ideas that are no longer practical or appropriate in modern times.
The adjective form for "custom" is custom or customary.
I think the closest verb for custom would be customize.
Tailored.
Hawthorne cites political changes as the reason for losing his job in the custom house. He was a Democrat and when the Whigs came into power, they replaced him with one of their own appointees.
The custom of following already decided cases is called "stare decisis," which means to stand by things decided. It is a principle in common law legal systems where judges are required to follow precedents set by higher courts when making decisions in similar cases.
shibboleth
not all old things are outmoded
Riding in a carriage is outmoded since the invention of cars.
outdated, antiquated
It is an outmoded phrase meaning an eyewitness.
The term "race" is still relevant in certain contexts, such as sociopolitical discussions and biological research. However, it is recognized as a social construct with no scientific basis in genetic differences between human populations. In discussions of human diversity, many scholars and activists prefer concepts like ethnicity or ancestry to acknowledge the complexity of people's identities.
he first designs of hoes and brush harrows were outmoded in the 1840s by the Geddes, a hinged triangular construction of wood with teeth made of iron, which, in turn, was outmoded several decades
During this time, the British Navy was decreasing in size and deteriorating. It also had old and outmoded ships.
Superannuated has the synonyms outdated, outmoded, old-fashioned, or antiquated.
The word could be obsolete, outmoded, or superseded.
Mostly for the homeopaths, based on an outmoded theory of disease.
The adjective could be obsolete, outmoded, or superseded.