the opposite of precise is non-precise?
precise
The opposite (imprecisely) would be approximately, or roughly.
Interrupt does not have a precise opposite, but the word listen comes close.
There is no precise opposite, but laugh is a good possibility.
Although the word transition does not have a precise opposite, the word stasis would come close.
The word airman does not have a precise opposite but in some circumstances, civilian would be the opposite. In other words, either you are a member of the military, or you are not. Those are opposite states.
clear, specific, precise, distinct or to the point
There aren't any precise antonyms but "dull" is probably the closest.
The general opposite of rough is smooth.For a person, the opposite of rough could be gentle, polite, courteous, refined, or sophisticated.For rough meaning uneven or bumpy, the opposite could be even, regular, flat, or level.For a "rough estimate" the opposite could be accurate, precise, or exact.
The word demonstrate does not have a precise opposite, other than "fail to demonstrate" but sometimes we can make a distinction between demonstration and assertion. That is the difference between showing and telling.
Opposite day is actually many days, five to be precise. It is on January 19, March 14, June 15, October 2, and December 31.
The opposite of follower is leader. Plural is leaders. There are many types of leaders, which depending on the context, could be used as more precise nouns to mean leader(s).