In the question below choose the option nearest in meaning to the word underlined: My plans are still up in the air
Answer Details
The phrase "up in the air" is often used to describe something that is uncertain or undecided, so the option nearest in meaning to this phrase is "uncertain." Therefore, if someone says "My plans are still up in the air," they mean that they have not yet made a firm decision and are unsure about what will happen next.