When it comes to describing a "handoff," there are a variety of synonyms that can be used. One common synonym is "pass off," which implies the transfer of something from one person or group to another. Another option is "transfer," which is more general but can also indicate the shifting of responsibility from one party to another. "Exchange," "giveaway," and "relay" are also possible synonyms, each with its own particular connotations. Ultimately, the choice of synonym will depend on the context and desired tone of the sentence, but these options provide flexibility and variety when discussing the act of handing something off.