adulterate
verb
• render (something) poorer in quality by adding another substance.
• "the brewer is said to adulterate his beer"
Similar:
make impure,
degrade,
debase,
spoil,
taint,
defile,
contaminate,
pollute,
foul,
sully,
doctor,
tamper with,
mix,
lace,
dilute,
water down,
thin out,
weaken,
bastardize,
corrupt,
cut,
spike,
dope,
vitiate,
adulterate
adjective
• not pure or genuine.
• "adulterate remedies"
Origin:
early 16th century (as an adjective): from Latin adulterat- ‘corrupted’, from the verb adulterare .