English adjective: out of the blue | |||
| 1. | out of the blue not anticipated | ||
| Samples | Unanticipated and disconcerting lines of development. Unforeseen circumstances. A virtue unlooked-for in people so full of energy. Like a bolt out of the blue. | ||
| Synonyms | unanticipated, unforeseen, unlooked-for | ||
| Similar | unexpected | ||
| Antonyms | expected | ||
English adverb: out of the blue | |||
| 1. | out of the blue in a way that was not expected | ||
| Samples | Her brother showed up at the wedding out of the blue. | ||
| Synonyms | unexpectedly | ||