air·y [érree] (comparative air·i·er, superlative air·i·est) adjective 1. roomy: well ventilated and having plenty of space 2. lofty: positioned or performed high in the air 3. carefree: lighthearted and unconcerned an airy wave of her hand 4. ethereal: ethereal or illusory airy concepts 5. graceful: light and graceful in movement (literary) an airy step 6. high in air: at a great height in the sky (literary) -air·i·ness, noun