| tasteless(adjective, dull, weak, taste, flat) |
| insipid(adjective, dull, weak, taste, flat) |
| flat(adjective, dull, weak, taste, excite) |
| vapid(adjective, dull, weak, flat, nasty) |
| savorless(adjective, dull, weak, flat, nasty) |
| bland(adjective, dull, weak, taste, flat) |
| flavourless |
| unsavory(adjective, dull, weak, taste, flat) |
| watery(adjective, dull, weak, flat, thin) |
| weak(adjective, dull, flat, thin, plain) |
| distasteful(adjective, dull, weak, flat, nasty) |
| jejune(noun, adjective, dull, weak, flat) |
| savourless |
| diluted(adjective, weak, thin, liquid, insipid) |
| dull(adjective, weak, flat, excite, nasty) |
| mild(adjective, dull, weak, flat, plain) |
| stale(adjective, dull, weak, flat, boring) |
| unappetizing(adjective, dull, weak, flat, nasty) |
| wishy-washy(adjective, dull, weak, plain, mild) |
| dead |