contaminate
con-tam-i-nate
verb
To make something impure or unsuitable by introducing a harmful or unwanted substance.
"The chemical spill will contaminate the river water."
Thesaurus
Antonyms: decontaminate
con-tam-i-nate
To make something impure or unsuitable by introducing a harmful or unwanted substance.
"The chemical spill will contaminate the river water."
Antonyms: decontaminate