preposition

In extended space over and not touching.

a display of fireworks above the town

adverb

At a higher level or layer.

place a quantity of mud in a jar with water above

overhead,at the top,on the top,at a higher place,on a higher place,high up,on high,up above,in the sky,up in the sky,high above one’s head,aloft,in the heavens,up in the heavens