The term 'not grounded' can be described by four different crossword solutions: ATSEA (5 letters), ALOFT (5 letters), AIRBORNE (8 letters), and INTHEAIR (8 letters). ATSEA means 'at sea, ' which is a phrase used to describe a vessel that is not in port or on land. ALOFT is an adverb meaning 'high up in the air.' AIRBORNE is an adjective meaning 'in the air, flying.' Finally, INTHEAIR is an adverb meaning 'in the air, flying.' All of these terms refer to something that is not grounded, or not on the ground.