Offbeat is a word that describes something unconventional or unusual. There are numerous synonyms that can be used in place of this word. Some of the common synonyms are eccentric, quirky, peculiar, abnormal, unconventional, atypical, strange, odd, and peculiar. All of these words have their nuances, but they all convey the same basic idea of something that is different from the norm. People often use offbeat to describe music or movies that are not mainstream or typical. It can also be used to describe an individual's personality or behavior that is different or unique. Regardless of the context, offbeat and its synonyms are an excellent way to describe something that strays from the norm.