lazily Antonyms

at full steam in a heartbeat hammer and tongs full tilt energetically quick as a flash before you can say Jack Robinson in one fell swoop at full tilt at a stroke at a rate of knots asudden in a jiffy in one stroke in a tick all in one go all at one time in no time at all as fast as greased lightning in a trice almost immediately with a vengeance voraciously on a dime lightning fast antsily anticipatorily instantly doggedly busily briskly ardently apace anxiously animatedly amenably ambitiously actively sincerely strongly all of the sudden in no time in a flash in an instant flat out approvingly all of a sudden all at once assiduously aggressively