freaky
adj. B2 Upper Intermediate US //ˈfɹiki// UK //fɹˈiːki// freaky
adj. very strange, unusual, or scary in a way that makes you feel uncomfortable. It is a casual word for things that seem like they shouldn't be real.
adj. characterised by a strange, unsettling, or seemingly supernatural quality. Informal in register; often used to describe coincidences or physical appearances that provoke mild fear or surprise.
It was freaky how she knew exactly what I was thinking.
The old house had a freaky atmosphere, especially when the wind whistled through the broken windows at night.
The resemblance between the two strangers was so freaky that several people at the party stopped to ask if they were long-lost twins.
From freak + -y.
Usage
Commonly used as a predicative adjective after linking verbs like 'be', 'get', or 'feel'.