swiftly

Mercurial is a related term of swiftly.

As a noun mercurial

is (obsolete) any of the plants known as mercury.

As an adjective mercurial

is (often capitalized, see (mercurial)) pertaining to the planet mercury.

As an adverb swiftly is

in a swift manner; quickly; with quick motion or velocity; fleetly.

As a letter s

is the letter s with a.

As an adverb swiftly is

in a swift manner; quickly; with quick motion or velocity; fleetly.

As adverbs the difference between swiftly and expediently

is that swiftly is in a swift manner; quickly; with quick motion or velocity; fleetly while expediently is in an expedient manner.

As adverbs the difference between swiftly and fastly

is that swiftly is in a swift manner; quickly; with quick motion or velocity; fleetly while fastly is securely or fastly can be quickly.

Swiftly is a related term of like_a_flash.

Swiftly is a related term of posthaste.

As adverbs the difference between swiftly and posthaste

is that swiftly is in a swift manner; quickly; with quick motion or velocity; fleetly while posthaste is quickly, as fast as someone travelling post; with great speed.

As a noun posthaste is

.

As adverbs the difference between swiftly and readily

is that swiftly is in a swift manner; quickly; with quick motion or velocity; fleetly while readily is without unwillingness or hesitation; showing readiness.

As adverbs the difference between timely and swiftly

is that timely is (archaic) in good time; early, quickly while swiftly is in a swift manner; quickly; with quick motion or velocity; fleetly.

As an adjective timely

is done at the proper time.

As adverbs the difference between swiftly and briefly

is that swiftly is in a swift manner; quickly; with quick motion or velocity; fleetly while briefly is in a brief manner, summarily.

As adverbs the difference between shrewdly and swiftly

is that shrewdly is in a shrewd manner while swiftly is in a swift manner; quickly; with quick motion or velocity; fleetly.