infuriatingly

adv

1. In an infuriating manner.

   “And they're often infuriatingly well-crafted buzzwords – combining impact with audacious disingenuousness.”

   “The Cambrian Line links Aberystwyth to Shrewsbury and Pwllheli, forking at Dovey Junction. Its geography is both a blessing and a headache: the scenery is glorious, but the line speed (at times) infuriatingly slow.”