| English adjective: portentous | |||
| 1. | portentous of momentous or ominous significance | ||
| Samples | Such a portentous...monster raised all my curiosity. A prodigious vision. | ||
| Synonyms | prodigious | ||
| Similar | important, significant | ||
| Antonyms | unimportant, insignificant | ||
| 2. | portentous ominously prophetic | ||
| Synonyms | fateful, foreboding | ||
| Similar | prophetic, prophetical | ||
| Antonyms | unprophetic | ||
| 3. | portentous puffed up with vanity | ||
| Samples | A grandiloquent and boastful manner. Overblown oratory. A pompous speech. Pseudo-scientific gobbledygook and pontifical hooey. | ||
| Synonyms | grandiloquent, overblown, pompous, pontifical | ||
| Similar | pretentious | ||
| Antonyms | unpretentious | ||