When it comes to the phrase "toss in," there are a variety of synonyms that can be used instead to add variety and interest to your writing or speech. Among these potential replacements are "add," "insert," "throw in," "include," "slip in," "pop in," "mix in," and "introduce." Each one offers a slightly different nuance of meaning and can be used in different contexts to emphasize different aspects of the action being described. Whether you are writing an essay, drafting a memo or giving a presentation, taking the time to consider variations on common phrases like "toss in" can help you communicate more effectively and engagingly.