Adverb
Synonyms by this part of speech
Moving with great haste and rapid motion
- fast
- rapidly
- speedily
- swiftly
- hastily
- posthaste
- briskly
- quick
- apace
- hurriedly
Acting without delay or hesitation
- immediately
- at once
- now
- straight away
- right away
- instantly
- as soon as possible
- shortly
- without delay
- without further ado
In an abrupt and unexpected way
- suddenly
- abruptly
- all of a sudden
- unexpectedly
- all at once
- precipitously
- unanticipatedly
- without warning
- asudden
- unawares