Get ready to grill, 10 letters
Goad, 15 letters
Motivate, 15 letters
Set off fireworks, perhaps, 10 letters
Guns of small caliber, 14 letters
*Nearly weightless, 15 letters
Airy and bouyant, 15 letters
Airy; gossamer, 15 letters
Almost weightless, 15 letters
Gossamery, 15 letters
Hardly hefty, 15 letters
Not hard to tote, 15 letters
Really ethereal, 15 letters
Weighing hardly anything, 15 letters
Weighing very little, 15 letters
Almost weightless, 10 letters
Ethereal, 10 letters
Gossamer, 10 letters
Nearly weightless, 10 letters
Near weightless, 15 letters