Definitions

1. adjective

Of or relating to a premiere or first performance of something.

“The premieral showing of the new film was sold out within a week.”

2. noun

A premiere, especially the first performance of a play, film, or work of music.

“The premieral of the opera was attended by the royal family.”

3. adverb

In a premier or first manner.

“The artist painted the premieral version of the landscape.”