| big zero(expression, adjective, dull, weak, flat) |
| blah(adjective, dull, weak, flat, boring) |
| bland(adjective, dull, weak, flat, boring) |
| distasteful(adjective, dull, weak, flat, boring) |
| dull(adjective, weak, flat, boring, distasteful) |
| flat(adjective, dull, weak, boring, distasteful) |
| flavorless(adjective, dull, weak, flat, boring) |
| insipid(adjective, dull, weak, flat, boring) |
| mild(adjective, dull, weak, flat, boring) |
| nowhere(adjective, dull, weak, flat, boring) |
| pabulum(adjective, dull, weak, flat, boring) |
| plain(adjective, dull, weak, flat, boring) |
| plain vanilla(expression, adjective, dull, weak, flat) |
| savorless(adjective, dull, weak, flat, boring) |
| stale(adjective, dull, weak, flat, boring) |
| tame(adjective, dull, weak, flat, boring) |
| tasteless(adjective, weak, flat, puny, bland) |
| thin(adjective, dull, weak, flat, boring) |
| unappetizing(adjective, dull, weak, flat, boring) |
| uninspired(adjective, dull, weak, flat, boring) |