8 letters · 13 points in Scrabble
adjective resembling air or having the form of air
adjective characterized by lightness and insubstantiality; as impalpable or intangible as air; - Thomas Carlyle
originEtymology tree Latin aer Latin fōrma Latin -fōrmisder. English -form English aeriform From Latin aer (“air”) + English -form.
Etymology from Wiktionary, CC BY-SA 3.0