Pure

n.

Heard in Cavan, Cork, Mayo, Tipperary, Galway, Donegal, Sligo, Carlow, Derry, Kildare, Limerick, Tyrone and Wicklow

Completely or thoroughly, often used for emphasis.

In use

It was pure shite

Posh English

It was utterly and thoroughly abominable.

Same phrase, other counties