| at different times |
| at various times(expression, adjective, idiom, regular, routine) |
| centennial(adjective, regular, routine, sporadic, intermittent) |
| cyclic(adjective, regular, routine, sporadic, intermittent) |
| epochal(adjective, regular, routine, sporadic, intermittent) |
| every once in a while(expression, adjective, idiom, regular, routine) |
| every so often(expression, adjective, idiom, regular, routine) |
| hourly(adjective, regular, routine, sporadic, intermittent) |
| intermittent(adjective, regular, routine, sporadic, occasional) |
| isochronal(adjective, regular, routine, sporadic, intermittent) |
| isochronous(adjective, regular, routine, sporadic, intermittent) |
| monthly(adjective, regular, routine, sporadic, intermittent) |
| on-again-off-again(adjective, regular, routine, sporadic, intermittent) |
| orbital(adjective, regular, routine, sporadic, intermittent) |
| periodic(adjective, regular, intermittent, isochronal, seasonal) |
| periodical(adjective, regular, routine, sporadic, intermittent) |
| recurrent(adjective, regular, routine, sporadic, intermittent) |
| seasonal(adjective, regular, routine, sporadic, intermittent) |
| weekly(adjective, regular, routine, sporadic, intermittent) |
| by bits and pieces(expression, adjective, idiom, intermittent, isochronal) |