Engelsk substantiv: insidiousness | |||
| 1. | insidiousness (om egenskap) subtle and cumulative harmfulness (especially of a disease) | ||
| Mindre spesifikke uttrykk | harmfulness, injuriousness | ||
| 2. | insidiousness (om egenskap) the quality of being designed to entrap | ||
| Mindre spesifikke uttrykk | perfidiousness, perfidy, treachery | ||