What does inffective mean?

"Ineffective" is the correct spelling. It means not producing any or the desired effect. It's the opposite of "effective."

Here are some examples:

* "The medicine was ineffective against the infection."

* "Their marketing campaign was ineffective at reaching the target audience."

* "The new policy has proven to be ineffective in improving safety."

"Ineffective" can be used to describe:

* Actions, plans, or strategies: When they don't achieve their intended outcome.

* Treatments or medications: When they don't alleviate symptoms or cure a disease.

* Communication: When it fails to convey the intended message.

* People: When they are unable to perform a task well or accomplish a goal.