The most likely meaning of the word "anachronous" is "away from the correct time."
The most likely meaning of the word "anachronous" is "away from the correct time." This can be determined by looking at the given options and identifying the one that best fits the definition of the word. In this case, "happening quickly" does not relate to the concept of time being incorrect, "occurring before" is a synonym of "happening quickly" and not specific to being away from the correct time, and "not in the right time" is similar to the correct option but not as precise. Therefore, "away from the correct time" is the most appropriate and likely meaning of "anachronous."