longest

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.

Extending its longest losing streak since May, Nvidia stock fell for the fourth day straight, dropping 1.8% to $195.47.

From Barron's • Jun. 25, 2026

Since 1958, archaeologists have returned every year as part of the Harvard Cornell Exploration of Ancient Sardis, making it one of the world's longest running institutional excavation projects.

From Science Daily • Jun. 25, 2026

It was the third straight annual drop, making it the longest decline in decades, according to federal data released Wednesday.

From Los Angeles Times • Jun. 25, 2026

When it was dedicated in May 1883, the bridge was a triumph of engineering, the longest suspension span in the world.

From The Wall Street Journal • Jun. 20, 2026

“I’m going to break the world record for the longest time tapping without stopping.”

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