| on the spur of the moment(expression, idiom, not expected, not planned, unhoped) |
| only to do something(expression, idiom, not expected, not planned, unhoped) |
| out of nowhere(expression, idiom, not expected, not planned, unhoped) |
| out of thin air(expression, idiom, not expected, not planned, unhoped) |
| reckon without something(expression, idiom, not expected, not planned, unhoped) |
| unpredicted(adjective, adverb, extraordinary, wonderful, shocking) |
| when the spirit moves(expression, idiom, not expected, not planned, unhoped) |
| accidental(extraordinary, wonderful, shocking, astonishing, astounding) |
| astonishing(extraordinary, wonderful, shocking, astounding, unexpected) |
| at once(adjective, unpredictable, surprising, subitaneous) |
| automatically(adverb, not expected, not planned, unhoped, uncontemplated) |
| blunt(adjective, unpredictable, surprising, subitaneous) |
| chance(extraordinary, wonderful, shocking, astonishing, astounding) |
| electrifying(extraordinary, wonderful, shocking, astonishing, astounding) |
| fortuitous(extraordinary, wonderful, shocking, astonishing, astounding) |
| not bargained for(adjective, surprise, unexpected, sudden) |
| not in the cards(adjective, surprise, unexpected, sudden) |
| quickly |
| sharply(adverb, not expected, not planned, unhoped, uncontemplated) |
| spontaneously(adverb, not expected, not planned, unhoped, uncontemplated) |