English adjective: insidious | |||
| 1. | insidious beguiling but harmful | ||
| Samples | Insidious pleasures. | ||
| Similar | seductive | ||
| Antonyms | unseductive | ||
| 2. | insidious intended to entrap | ||
| Similar | dangerous, unsafe | ||
| Antonyms | safe | ||
| 3. | insidious working or spreading in a hidden and usually injurious way | ||
| Samples | Glaucoma is an insidious disease. A subtle poison. | ||
| Synonyms | pernicious, subtle | ||
| Similar | harmful | ||
| Antonyms | harmless | ||