English adjective: soporiferous | |||
| 1. | soporiferous sleep inducing | ||
| Synonyms | hypnagogic, hypnogogic, somniferous, somnific, soporific | ||
| Similar | depressant | ||
| Antonyms | stimulative | ||
| 2. | soporiferous inducing mental lethargy | ||
| Samples | A narcotic speech. | ||
| Synonyms | narcotic, soporific | ||
| Similar | uninteresting | ||
| Antonyms | interesting | ||