Saying ‘no’ to double negatives

This grammatical misstep can confuse readers or mean the opposite of what you intended your sentence to portray. Here’s how to avoid them.

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You would probably scramble to correct a sentence like this on your company website: “The facility will not allow no more visitors after 10 p.m.” However, double negatives still exist.

The sentence below came from a press release sent by a federal agency:

It is not uncommon for a firm, based on its own appropriate evaluation of potential suppliers and raw material, to change the source of a raw material after the device has been cleared by the FDA . . .

This sentence could be improved by changing the double negative “not uncommon” to “It is common for a firm, based on its own appropriate . . .”

These types of double negatives cause confusion, as readers must go back and re-read to understand your meaning. Worse yet, some double negatives convey the opposite of what’s intended, such as the following example:

The researchers cannot barely contain their excitement at the discovery.

Song lyrics are also often full of double negatives:

To steer clear of the grammatical faux pas, remember that many ordinary words have negative meanings. Avoid using “not” with these words:

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