promptly

As an adverb promptly

is in prompt manner; both soon and quickly.

As an adjective undefined is

lacking a definition or value.

As adverbs the difference between firmly and promptly

is that firmly is in a firm or definite or strong manner while promptly is in prompt manner; both soon and quickly.

As an adjective abrupt

is (obsolete|rare) broken away (from restraint) .

As a verb abrupt

is (archaic) to tear off or asunder .

As a noun abrupt

is (poetic) something which is ; an abyss .

As an adverb promptly is

in prompt manner; both soon and quickly.

As adverbs the difference between shortly and promptly

is that shortly is in a short or brief time or manner; soon; quickly while promptly is in prompt manner; both soon and quickly.

As adverbs the difference between quick and promptly

is that quick is (colloquial) with speed, quickly while promptly is in prompt manner; both soon and quickly.

As an adjective quick

is moving with speed, rapidity or swiftness, or capable of doing so; rapid; fast.

As a noun quick

is raw or sensitive flesh, especially that underneath finger and toe nails.

As a verb quick

is to amalgamate surfaces prior to gilding or silvering by dipping them into a solution of mercury in nitric acid.

Straightway is a related term of promptly.

As adverbs the difference between straightway and promptly

is that straightway is directly while promptly is in prompt manner; both soon and quickly.

As a noun straightway

is a straight section of a racetrack.

As adverbs the difference between promptly and dramatically

is that promptly is in prompt manner; both soon and quickly while dramatically is in a dramatic manner.

As adverbs the difference between promptly and casually

is that promptly is in prompt manner; both soon and quickly while casually is in a casual manner.

As an adverb promptly

is in prompt manner; both soon and quickly.

As a verb fast is

.

As adverbs the difference between readily and promptly

is that readily is without unwillingness or hesitation; showing readiness while promptly is in prompt manner; both soon and quickly.