kilo

1 of 3

noun

ki·​lo ˈkē-(ˌ)lō How to pronounce kilo (audio)
also
ˈki- How to pronounce kilo (audio)
plural kilos
: a unit of mass or weight equaling one thousand grams or approximately 2.2 pounds : kilogram
Each sack weighs 50 kilos.
Did you know … that it takes a lobster between five and seven years to grow to a weight of half a kilo, the minimum size it should reach before being fished?Food & Drink
When he finally strips off the kilos of gold enveloping his body, Deion is as light as a feather.Curry Kirkpatrick
Gathering in Versailles, west of Paris, governments are expected on Friday to approve plans to instead use a scientific formulation to define the exact mass of a kilo.John Leicester

Kilo

2 of 3

communications code word

used as a code word for the letter k

kilo-

3 of 3

combining form

: thousand
kiloton

Examples of kilo in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Removed over 31 kilos of cocaine from our streets, removed over 15 kilos of fentanyl from our streets, and seized 81 firearms. Briseida Holguin, CBS News, 1 May 2026 One of them, a semi-rigid inflatable boat that was 14 meters long, weighed 5,000 kilos and powered by four 300-horsepower engines, pulled away, accelerated and rammed into the Zodiac, which was 6 meters long, weighed 500 kilos, and had only a single 150-horsepower engine. Óscar Martínez, The Dial, 30 Apr. 2026 According to prosecutors, Mizell acquired around 10 kilos of cocaine on consignment from a California supplier in August 2002. Christine Pelisek, PEOPLE, 27 Apr. 2026 Officers seized 120 pounds (54 kilos) of methamphetamine, more than eight pounds (four kilos) of fentanyl, along with 25 firearms and more than $30,000 in cash, officials said. ABC News, 23 Apr. 2026 See All Example Sentences for kilo

Word History

Etymology

Combining form

French, modification of Greek chilioi

First Known Use

Noun

1870, in the meaning defined above

Communications Code Word

1952, in the meaning defined above

Time Traveler
The first known use of kilo was in 1870

Browse Nearby Words

Cite this Entry

“Kilo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kilo. Accessed 5 May. 2026.

Kids Definition

kilo

1 of 2 noun
ki·​lo ˈkē-(ˌ)lō How to pronounce kilo (audio)
plural kilos

kilo-

2 of 2 combining form
: thousand
kiloton
Etymology

Combining form

derived from Greek chilioi "thousand"

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