Read the definition and try to retrieve the word. Say it aloud or write it down before opening the answer.
CARD 1 OF 2
Which word fits this meaning?
To introduce something unwanted that makes a substance or result impure or unreliable.
verb
Reveal word and examples
contaminate
Dust from the open window could contaminate the paint mixture.
Dictionary practice example.
While testing a new reader poll, an editor accidentally allowed practice responses to contaminate the final results by mixing them with actual submissions.
Reveal the answer first, then make a self-check. Another word may fit the definition; compare with the target word. This is separate from scored quiz accuracy.