The word "twirler" refers to someone or something that spins or rotates rapidly. There are several synonyms for this word, including "spinner," "whirler," "gyrator," and "rotator." Other synonyms for "twirler" might include "twister," "whirlybird," or "spinning top." Depending on the context in which the word is used, there may be a variety of other synonyms that could be used to describe a twirler, such as "dervish," "cyclone," "vortex," or "tornado." These words all evoke a sense of motion and rotation, and could be useful in describing anything from a dancer's twirling movements to the spinning blades of a helicopter.