adulterant
adˈʌltərənt
Definitions
1. noun
A substance that is added to something else to change its composition or quality, especially to make it cheaper or to deceive people about its nature or quality
“The company was accused of using an adulterant in their food products to increase profits.”
2. adjective
Used to describe something that has been mixed with or contaminated by something else, often in a way that is deceitful or dishonest
“The adulterant flavor in the wine was easily detectable.”