toxic
US /ˈtɑːk.sɪk/
UK /ˈtɑːk.sɪk/

1.
2.
tóxico, dañino
very harmful or unpleasant in a subtle or insidious way
:
•
Their relationship became increasingly toxic.
Su relación se volvió cada vez más tóxica.
•
He was known for his toxic masculinity.
Era conocido por su masculinidad tóxica.