contaminate
verb (used with object)
to make impure or unsuitable by contact or mixture with something unclean, bad, etc..
Used to describe an ongoing action or state that is currently taking place in the immediate present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
There have been times when I've had to reuse items and I worried that in the act of taking off a possibly contaminated item and putting it back on I am contaminating myself.
From BBC ● Apr. 16, 2020