promptly Antonyms - page 2
leisurely
overdue
eventually
evenly
dilatorily
afterwards
afterward
behindhand
cautiously
circumspectly
constantly
continuously
deliberately
overtime
serotine
ultimately
whenever
windingly
at last
at length
later on
against time
at a time
ulteriorly
tardy
tardily
slackly
slow
slowly
sometime
somewhen
steadily
successively
systematically
at long last