"Putting the lid on" is a phrase commonly used to describe the act of concluding or stopping something. However, there are several synonyms for this phrase that can be used to add variety to one's writing or speech. Some alternatives to "putting the lid on" include "wrapping up," "drawing to a close," "ending," "finishing off," "bringing to a halt," and "concluding." By incorporating these synonyms into one's vocabulary, it is possible to add nuance and depth to their writing, as well as avoid repetition. In summary, "putting the lid on" is a useful phrase, but there are many other options to choose from.