Based on the prefix, de-, the word "decongestant" means:
<h3 /><h3>What is a prefix?</h3>
A prefix is an attachment to the main word and the intent is often to give the reader a clue into its meaning.
In the word above, decongestant means removal or a reduction of the congestion that a person experiences. The prefix is aimed at giving the reader an idea or insight into the main meaning of the word.
There are other types of prefixes. Some of them include a-, un-, pre-, auto-, co-, etc. When you see such words you can tell the meaning of the entire word. So, in the instance above, de- suggests the removal of congestion.
Learn more about prefixes here:
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