old is an antonyn for new, antonym is the opposite meaning of the word: big-small, hot-cold, dark-light, good-bad…
An antonym for "new" is "old."
There is no antonym. The use of the word in the sense of genocide is relatively new, anyway.
New experiences
new or modern
A novice is new or inexperienced.
new
new, modern, young
Conventional, New, Modern, Future, Present, etc...
The antonym of the word 'synonym' is 'antonym'.
A jalopy is a broken-down vehicle, a clunker. So an antonym would be a new car, smooth (or sweet) ride, baby, or toy.
An antonym means "opposite". So an antonym for the word synonym is antonym.
Depending on the application; novel, new, innovative, unique, singular
The antonym for from is to. Because antonym means opposite.