- The definition of tasteless is something that is lacking in favor, or something that is lacking in good taste, or that is inappropriate according to social norms.
- Food that has no flavor is an example of food that would be described as tasteless.
- An inappropriate joke that you should not be making is an example of a tasteless joke.
- without taste or flavor; flat; insipid
- dull; uninteresting
- lacking good taste or showing poor taste
- Lacking flavor; insipid.
- Not having or showing good taste.
(comparative more tasteless, superlative most tasteless)