thundery• These showers will gradually spreadeast and some may become thundery.• The weather looked heavy and thundery, as if the unseasonable warmth would soon break.• So the atmosphere is very thundery at present, and life is anything but gay.• Between searingly bright periods, the skyboils with thunderyclouds that drift on by without releasing a drop.• She hadn't had a headachetoday, in spite of the thunderyheat.• There was a rather thundery purple-grey sky and the big trees were swaying about, like restlesstied animals.