Quare

adv.

Heard in Kildare, Cavan, Waterford, Clare, Donegal, Fermanagh, Derry, Kerry, Down, Wexford and Wicklow

An intensifier meaning very or exceptionally, often applied to weather or states.

In use

It's quare bitter out on the hills today, biy.

Posh English

It is exceptionally chilly out upon the uplands today, young man.

Same phrase, other counties