| unexpectedly(adverb, suddenly, abruptly, inexpectation) |
| short(adverb, prepared, suddenly, unexpectedly, abruptly) |
| abruptly(adverb, suddenly, unexpectedly, inexpectation) |
| suddenly(adverb, unexpectedly, abruptly, ignorantly, inexpectation) |
| surprisingly(adverb, suddenly, unexpectedly, ignorantly, inexpectation) |
| aback(adverb, prepared, suddenly, unexpectedly, abruptly) |
| accidentally(adverb, suddenly, unexpectedly) |
| by surprise(expression, idiom, adverb, prepared, suddenly) |
| inadvertently(adverb, suddenly, unexpectedly) |
| plump |
| sudden(adjective, adverb, suddenly, unexpectedly, abruptly) |
| unaware(adverb, suddenly, unexpectedly, abruptly) |
| unconsciously(adverb, suddenly, unexpectedly) |
| unintentionally(adverb, suddenly, unexpectedly) |
| unknowingly(adverb, suddenly, unexpectedly, ignorantly, unwatchful) |
| unwittingly(adverb, suddenly, unexpectedly) |
| by accident(expression, idiom, adverb, suddenly, unexpectedly) |
| ignorantly(adverb, ignorance, suddenly, unexpectedly, unwatchful) |
| pop |
| all at once(expression, idiom) |