ˈhɛ.vi

ˈpɒn.dəɹ.əs ˈpɑn.dɚ.əs having great mass and weight and unwieldiness a ponderous stone a ponderous burden ponderous weapons slow and laborious because of weight the heavy tread of tired troops moved with a lumbering sag-bellied trot ponderous prehistoric beasts a ponderous yawn labored and dull a ponderous speech