The word "pitterpatters" describes a sound or movement that is light, gentle, and rapid. Its antonyms could be words that describe a heavy, slow, or clumsy action or sound. For instance, the antonyms could be thunders, stomps, bangs, or crashes, which refer to loud, heavy, and abrupt noises or movements. Another opposite of pitterpatters could be drags, limps, or crawls, which suggest slow or lethargic movements. The antonyms of pitterpatters could also include words like stumbles, trips, or wobbles, which describe movements that are unsteady or uncertain. Ultimately, pitterpatters' antonyms could take many forms depending on the context and the perspective from which the opposite is viewed.