The antonyms for the word "windups" are quite easy to understand. To define it, the term refers to an object that is mechanical, such as a toy or clock, which requires winding to function. The opposite of windups would be the term "unwound" or "non-mechanical." This means that the object does not require any winding or mechanical parts to function. In other words, it works without any external assistance, unlike windups, which need winding to keep moving. The antonyms for windups can be applied in various contexts, such as in describing a car or a machine, making it a useful term to know.