adjective / noun
prime
PRYME/praɪm/
Highest in importance or excellence.
The flawless ripe pear is a prime specimen among the others.

Etymology
Latin primus already extended “first” to “chief” and “excellent.” Prime preserves that connection: what ranks first can be foremost in importance or outstanding in quality.
In context
if a society has no morality then it would not survive Oscar Wilde is aware of the general principle that it is the prime duty of every artist to satirize society in case it is crossing its limits
More examples
- The chef chooses prime cuts of beef for the restaurant.
- At thirty, the runner is in her prime.
- Poor drainage is the prime cause of flooding here.
Forms
prime · primes