Showing results for "fastest"

superlative of fast.

fastest

Part of Speech:

All (5) Adjective (3) Adverb (2)

Jump To:

speedy adj.
fixed, immovable adj.
immoral, promiscuous adj.
speedily adv.
fixedly adv.

ADJECTIVE

speedy

Synonyms

STRONGEST

agile brisk hot nimble quick rapid swift

STRONG

accelerated active dashing electric flashing fleet fleeting flying hurried racing ready snap winged

WEAK

PDQ blue streak breakneck chop-chop double-time expeditious expeditive hairtrigger hasty hypersonic in a jiffy in nothing flat lickety split like a bat out of hell like all get out like crazy like mad on the double posthaste presto pronto screamin' snappy speedball supersonic velocious

Antonyms

STRONGEST

clumsy slow sluggish

STRONG

boring dull

WEAK

flexible good impermanent insecure loose moral movable plodding tardy unattached unfixed unhurried upright

ADJECTIVE

fixed, immovable

Synonyms

STRONGEST

durable stable sure tight true

STRONG

adherent attached close constant constrained faithful fastened firm fortified glued held lasting permanent secure set sound staunch stuck wedged

WEAK

ardent impregnable indelible inextricable loyal resistant resolute steadfast tenacious true blue unwavering

Antonyms

STRONGEST

wobbly

STRONG

changeable disloyal ending ephemeral flexible inaccurate inconstant indefinite irresolute loose moving open soft temporary uncertain undecided unfixed unprotected unreliable unstable untrue wavering weak

WEAK

good impermanent insecure moral movable plodding slow tardy unattached unhurried upright

ADJECTIVE

immoral, promiscuous

Synonyms

STRONGEST

easy loose

STRONG

bawdy debauched depraved dissipated gadabout libertine light profligate wanton wild

WEAK

careless devil-may-care dissolute extravagant flirtatious frivolous giddy incontinent indecent intemperate lascivious lecherous lewd libidinous licentious lustful rakish reckless salacious self-gratifying self-indulgent sportive sporty unchaste

Antonyms

STRONGEST

strict

STRONG

careful chaste clean decent gentle good moral nice pure uncorrupt virtuous

WEAK

flexible impermanent insecure movable plodding slow tardy unattached unfixed unhurried upright

ADVERB

speedily

Synonyms

STRONGEST

quick quickly rapidly soon swift swiftly

WEAK

apace chop-chop expeditiously flat-out fleetly full tilt hastily hurriedly in a flash in haste in nothing flat in short order like a flash like a shot like greased lightning like wildfire posthaste presto promptly pronto

Antonyms

STRONGEST

slowly

WEAK

loosely slow unfixedly

ADVERB

fixedly

Synonyms

STRONGEST

hard tight

STRONG

firm

WEAK

deeply firmly securely solidly soundly steadfastly tightly

Antonyms

WEAK

loosely slow slowly unfixedly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

fastest

Referring to Melissa Jefferson-Wooden's winning time of 21.47 seconds, the fourth fastest ever over the distance, she added: "21.4. Muscles. Hard work, blood, sweat, tears. This is a beautiful evening."

From BBC ● Sep. 14, 2026

Optimism abounds, even on the city website, which promotes it as “one of the fastest growing suburbs of the San Francisco Bay Area.”

From Los Angeles Times ● Sep. 13, 2026

At 6-foot-4 and 222 pounds, Smith is one of the biggest receivers in the nation—and also one of the fastest.

From The Wall Street Journal ● Sep. 11, 2026

Rather than simply drawing a line inland, their algorithms identify the fastest walking routes to refuge sites beyond "waves' reach," which local authorities have validated.

From Science Daily ● Sep. 10, 2026

The sword flashed in a bright arc, the fastest thing I ever saw move.

From "My Brother Sam is Dead" by James Lincoln Collier and Christopher Collier