“insults.” The Greek noun is blasphēmia (#988 βλασφημία; pronounced blas-fay-'me-ah), and was used of someone speaking against another. The primary meaning as it was used in the Greek culture was showing disrespect to a person or deity, and/or harming his, her, or its reputation.
[For more on blasphēmia, see commentary on Matt. 9:3.]