departure
The opposite of coming is going.
The opposite of coming is going or leaving.
When you hear something coming closer, it is called "waxing". The opposite of which is "waning".
There is no opposite for intermittent action (coming repeatedly over time). The closest would be constantly or continuously, but they are not opposites.
Opposite-mass migration outwards/away from
The opposite is diurnal `happening by day, coming out during the day, occurring every day'. Animals which come out at twilight are called crepuscular.
The opposite of windward is leeward. Leeward refers to the direction away from which the wind is blowing, while windward indicates the direction from which the wind is coming.
Opposites of "go" are come (reverse movement), stop (cease going), or stay (not go).
you should do a barrel role in the opposite way the person is coming
An "easel" (artist's stand) does not have an opposite. However, the easel normally holds a "canvas" and the paint applied to a canvas is normally coming from a "palette" (paint holder).
The opposite of leeward is windward, which refers to the direction from which the wind is coming. Windward is on the side of a ship, aircraft, or object facing the wind.
A UFO? Because we don't know what it is and it is coming from space, to earth, and returning to space.