| simple(adjective, clear, easy, straightforward, undemanding) |
| straightforward(adjective, quiet, clear, smooth, easy) |
| uncomplicated(adjective, quiet, clear, smooth, easy) |
| uninvolved(adjective, quiet, clear, smooth, easy) |
| cinch(adjective, quiet, clear, smooth, easy) |
| clean(adjective, quiet, clear, smooth, easy) |
| effortless(adjective, quiet, clear, smooth, easy) |
| intelligible(adjective, quiet, clear, smooth, easy) |
| lucid(adjective, quiet, clear, smooth, easy) |
| mild(adjective, quiet, clear, smooth, easy) |
| no problem(expression, adjective, quiet, clear, smooth) |
| no sweat(expression, adjective, quiet, clear, smooth) |
| not difficult(expression, adjective, quiet, clear, smooth) |
| picnic(adjective, quiet, clear, smooth, easy) |
| piece of cake(expression, adjective, idiom, quiet, clear) |
| quiet(adjective, clear, smooth, easy, clean) |
| self-explanatory(adjective, quiet, clear, smooth, easy) |
| simple as ABC(expression, adjective, idiom, quiet, clear) |
| transparent(adjective, quiet, clear, smooth, easy) |
| understandable easy(expression, adjective, quiet, clear, easy) |