This is the 11649th most frequent Swedish word.
otäcka
"Otäcka" means "unpleasant" or "nasty."
Here, 'otäcka' is used as the adjective 'otäck', describing something as scary or unsettling.
En otäck spindel kröp över golvet.
A scary spider crawled across the floor.
'Otäcka' modifies 'känsla', showing emotional unease or disturbance.
Det var en otäck känsla att vara ensam i mörkret.
It was a disturbing feeling to be alone in the dark.
Used here to stress an aversion or fear towards certain animals.