kilo

1 of 3

noun

ki·​lo ˈkē-(ˌ)lō 

also

ˈki- 

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

Noun

Argor-Heraeus' CEO Robin Kolvenbach holds one kilo bars of silver and gold at the plant of refiner and bar manufacturer Argor-Heraeus in Mendrisio, Switzerland, July 13, 2022. —Chloe Taylor, CNBC, 30 Jan. 2026

In December 2024, a fisherman in Florida found 25 kilos of cocaine along the coast, CBS News Miami reported. —Stephen Smith, CBS News, 21 Jan. 2026

Deputies busted one of the largest cockfighting rings in Forsyth County history this week, arresting six people and seizing a kilo of cocaine, sheriff’s officials said. —Joe Marusak, Charlotte Observer, 17 Jan. 2026

First, on April 9, police seized 375 kilos from a driver near Riverside, California. —Jesse Hyde, Rolling Stone, 10 Jan. 2026

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

Rhymes for kilo

• acknow
• aglow
• ago
• airglow
• aloe
• altho
• although
• ammo
• backflow
• backhoe
• banjo
• barbeau

Kids Definition

kilo

1 of 2 noun

ki·​lo ˈkē-(ˌ)lō 

plural kilos

: kilogram

kilo-

2 of 2 combining form

: thousand

kiloton

Etymology

Combining form

derived from Greek chilioi "thousand"