| He was assiduous in checking and double checking dates in parish records and in the various census. |
| The manager has the right to expect that his workers will be careful and assiduous. |
| There is no sterner or more assiduous newshawk to be found on the demanding beat than yours truly. |
| Farrell is an assiduous researcher and has a thorough, if not overwhelming command of the primary sources and secondary material. |
| His spin doctors have been so assiduous in building images of him that the real man has remained invisible behind them. |
| It is something of a myth that detectives solve crimes by assiduous collection of evidence. |
