| effortless |
| flat(adjective, dull, simple, plain, stupid) |
| hands-on(applied, real-world) |
| insipid(adjective, dull, stupid, ordinary, boring) |
| insouciant |
| logical(adjective, ordinary, usual, normal) |
| many(adjective, regular, normal, recurrent) |
| mean(adjective, strong, slight, low, small) |
| median(adjective, average) |
| moderate(adjective, usual, regular, straight, normal) |
| modest(adjective, mean, simple, gentle, poor) |
| old hat(expression, adjective, characteristic, dull, plain) |
| periodic(adjective, regular, normal, recurrent, day-to-day) |
| prescriptive(usual, normal, impulse, accepted, traditional) |
| received(adjective, impulse) |
| small(mean, slight, unimportant, trivial, little) |
| so so |
| stale(adjective, dull, simple, plain, common) |
| tedious(adjective, dull, simple, plain, ordinary) |
| time-honoured |