longest

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extended in space or time adj.
interminable, excessive in length adj.

ADJECTIVE

extended in space or time

Synonyms

STRONGEST

deep great high lengthy protracted tall

STRONG

continued elongate elongated enduring enlarged expanded lasting lengthened lingering prolonged running stretch stretched stretching sustained towering

WEAK

distant drawn out extensive far-off far-reaching faraway gangling lanky lofty longish outstretched rangy remote spread out spun out stringy

Antonyms

STRONGEST

ignorant little low short small soft unimportant weak

WEAK

abbreviated abridged ephemeral evanescent fleeting

ADJECTIVE

interminable, excessive in length

Synonyms

STRONGEST

late lengthy protracted slow

STRONG

delayed diffuse dragging lingering prolonged sustained

WEAK

boundless diffusive dilatory drawn-out for ages forever and a day limitless long-drawn-out long-winded overlong prolix tardy unending verbose without end wordy

Antonyms

STRONGEST

on time

WEAK

abbreviated abridged ephemeral evanescent fleeting short

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:

longest

The position goes to whoever has had the longest run on the council without being president.

From Barron's ● Oct. 2, 2026

We now call it the Long Depression, still the longest recession in American history.

From MarketWatch ● Sep. 29, 2026

The sighting of the extremely venomous viper, which has the longest fangs of any snake in the world, spurred the Santa Ana Police Department to issue a public advisory accompanied by exclamation points.

From Los Angeles Times ● Sep. 29, 2026

Air-safety regulators will assess a possible safety risk before certifying the longest and final model of Boeing’s bestselling jet.

From The Wall Street Journal ● Sep. 28, 2026

I’m going to make the longest sidewalk chalk drawing in history!

From "Zara’s Rules for Record-Breaking Fun" by Hena Khan