When it comes to thinking about synonyms for "second best," several possible options come to mind. Words like runner-up, next best, and silver medalist could be considered alternatives that are often associated with competition or comparison. Other options that might be used in a different context could include close second, almost there, or strong contender. In some cases, people might use words like adequate or satisfactory to describe something that isn't quite the best, but still gets the job done. Ultimately, the best synonym for "second best" will depend on the context in which it is being used, as well as the impression or nuance that the speaker is trying to convey.