Brillent

adj.

Of surpassing excellence, brilliant, as said in a West Waterford accent.

In use

'Twas anudder brillent performance by Big Dan and de Déise!

Let Lawrence Muck translate it to posh English for you
Lawrence Muck

My, my, what a surprise. Would you like me to translate 'Brillent' in use for you?

It was yet another brilliant performance from Big Dan and the Déise!