Simple Definition of impure

from our Learner's Dictionary

impure

adjective

ɪmˈpjuɚ

: not pure: such as

a

: dirty unclean

impure water

b

: mixed with something else that is usually not as good

an impure chemical

selling impure drugs

c

: sexual in a way that is considered morally wrong

impure thoughts

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“Impure.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/impure. Accessed 23 Jun. 2026.

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