1. In a manner that causes discomfort, anxiety, or unease; in a way that disturbs one's peace of mind or stability
The silence in the room was unsettlingly quiet.
O silêncio na sala era perturbadoramente quieto.
2. In a way that is disconcerting or troubling; causing one to feel uncertain or uneasy
His behavior was unsettlingly similar to his father's.
Seu comportamento era perturbadoramente similar ao de seu pai.