in a second

immediately instantaneously instantly promptly quickly shortly

forthwith straightaway

anon at once contiguously dead due first off instanter presently pronto right away speedily straight off

eventually later

indirectly

in a jiffy instantaneously instantly quickly

anon at once contiguously dead due first off forthwith immediately instant instantaneously instanter instantly now presently promptly pronto quickly right away shortly speedily straight off straightaway

directly early instantly promptly quickly rapidly shortly speedily

presently

anon any minute now before long betimes by and by coming down the pike ere long expeditiously fast fleetly forthwith hastily in a little while in a minute in a short time in due time in short order in time lickety-split on time posthaste pronto quick short

late later

distant far never

dead due forthwith immediately instant instantly now right straight

anon at once contiguously direct first off instantaneously instanter presently promptly pronto quickly right away right off shortly speedily straight off

eventually indirectly later

anon at once contiguously dead due first off forthwith immediately instant instantaneously instanter instantly now presently promptly pronto quickly right away right off shortly speedily straightaway