| boring(adjective, flat, slow) |
| jejune(adjective, dull, flat, poor) |
| unsurprising(adjective, common, ordinary, boring) |
| humdrum(adjective, flat, slow, boring) |
| mundane(adjective, common, ordinary, plain) |
| uninteresting(adjective, flat, boring, dull) |
| unimpressive(adjective, common, ordinary, boring) |
| usual(adjective, common, ordinary, plain) |
| normal(adjective, common, ordinary, plain) |
| ordinary(adjective, common, plain, ordinary) |
| wearisome(adjective, flat, slow, boring) |
| chaste(adjective, common, ordinary, boring) |
| insignificant(adjective, common, ordinary, boring) |
| typical(adjective, common, ordinary, plain) |
| dull(adjective, flat, boring, slow) |
| tedious(adjective, flat, slow, boring) |
| jading(verb, adjective, dry, usual) |
| common(adjective, ordinary, plain, usual) |
| monotonous(adjective, flat, slow, boring) |
| tiring(adjective, common, ordinary, boring) |