- Something that is unappetizingly flavorless.
- The diners were disappointed with the plain, insipid soup they were served.
- Flat; lacking character or definition.
- The textbook had the most insipid presentation of the controversy.
- Cloyingly sweet or sentimental.
- Greeting cards contain some of the the most insipid words ever written.
- The lyrics to this song are more insipid than the lyrics to that song.