What are the meanings of "fitnah" in the following verses: (And fight them until there is no [more] fitnah), (Indeed, those who have persecuted the believing men and believing women), and (Do people think that they will be left to say, "We believe" and they will not be tried [fitnah])?

In language, fitna means trial and test. It is used to refer to disbelief, sin, burning, or removal from something.

In His saying, the Almighty: "And fight them until there is no fitna," it means polytheism and disbelief.

In His saying, the Almighty: "Indeed, those who have fitna-ed the believing men and believing women," it means burning and torture by fire.

In His saying, the Almighty: "Do people think that they will be left alone if they say, 'We believe,' and they will not be fitna-ed?" it means testing and trial.