| muddle along(verb, sudden, not expected, not planned) |
| nowhere(adverb, sudden, not expected, not planned) |
| piecemeal(adjective, sudden, not expected, not planned) |
| reckon(verb, sudden, not expected, not planned) |
| sharply(adverb, sudden, not expected, not planned) |
| sine die(adverb, sudden, not expected, not planned) |
| spontaneously(adverb, sudden, not expected, not planned) |
| sudden(adjective, not expected, not planned) |
| suddenly(adverb, sudden, not expected, not planned) |
| summary(noun, sudden, not expected, not planned) |
| undreamed of(adjective, sudden, not expected, not planned) |
| unexpected(adjective, sudden, not expected, not planned) |
| unforeseen(adjective, sudden, not expected, not planned) |
| unintended(adjective, sudden, not expected, not planned) |
| unintentional(adjective, sudden, not expected, not planned) |
| unlikely(adverb, sudden, not expected, not planned) |
| unlooked-for(adjective, sudden, not expected, not planned) |
| unplanned(adjective, sudden, not expected, not planned) |
| unpredictable(adjective, sudden, not expected, not planned) |
| unprepared(adjective, sudden, not expected, not planned) |