buggy

¹ American  

[buhg-ee] / ˈbʌg i /

adjective

buggier, buggiest

1. infested with bugs.

   We spent one last muggy, buggy summer at the campsite up North, then started vacationing in the Southwest.

2. Computers. (of software) containing errors or imperfections that reduce reliability, performance, or user experience.

   The game’s load times were slow, and the autosave was buggy.

3. Slang. crazy; insane; peculiar.

---

buggy ² American  

[buhg-ee] / ˈbʌg i /

noun

buggies plural

1. a light, four-wheeled, horse-drawn carriage with a single seat and a transverse spring.

2. (in India) a light, two-wheeled carriage with a folding top.

3. baby carriage.

4. Older Slang. an automobile, especially an old or dilapidated one.

5. a small wagon or truck for transporting heavy materials, as coal in a mine or freshly mixed concrete at a construction site, for short distances.

6. Metallurgy. a car, as for transporting ingots or charges for open-hearth furnaces.

7. any of various small vehicles adapted for use on a given terrain, as on sand beaches or swamps.

8. British. a light, two-wheeled, open carriage.

---

buggy ¹ British  

/ ˈbʌɡɪ /

noun

1. a light horse-drawn carriage having either four wheels (esp in the US and Canada) or two wheels (esp in Britain and India)

2. short for beach buggy

3. short for Baby Buggy See baby carriage

4. a small motorized vehicle designed for a particular purpose

   golf buggy

   moon buggy

---

buggy ² British  

/ ˈbʌɡɪ /

adjective

1. infested with bugs

2. slang insane

3. informal (of a system or machine, esp a computer program) containing errors or faults

---

Usage

What does buggy mean? As an adjective, buggy means full of bugs or infested with bugs. This can literally refer to insects, as in a buggy swamp, or it can refer to the kind of bugs found in software or machines—glitches and programming errors. As a noun, buggy refers to a small, wheeled cart or other vehicle, especially a horse-drawn carriage (often called a horse and buggy). There are several different vehicles that can be called a buggy. Example: The beta version of the app is a little buggy, so we’ll need to do some additional testing before we release it to the users.

Other Word Forms

• bugginess
  noun

Etymology

Origin of buggy¹

First recorded in 1690–1700; bug ¹ + -y ¹

Origin of buggy²

First recorded in 1750–60; of obscure origin

Explanation

A buggy is a cart with wheels that's pulled by a horse. In the 19th century, the most popular way to take short trips was in a horse and buggy. Most people think of a horse pulling a carriage when they hear the word buggy, although you can use the term for other small vehicles, whether they're electric or powered by gasoline — like a golf buggy. If you use buggy to describe a camp site, however, you mean it's infested with insects. The origins of both meanings are uncertain, although the Middle English bugge, "something frightening" might be one root of the "full of bugs" definition.

Example Sentences

Not only does the pipeline of junior talent dry up, but residual effects include buggy software, service outages, security vulnerabilities and mounting technical debt.

From The Wall Street Journal • May 22, 2026

“You have infrastructure that’s falling apart, and you have software that’s now very, very buggy compared to before,” says Mario Zechner, creator of Pi, the agentic harness inside OpenClaw.

From The Wall Street Journal • May 22, 2026

But bragging about enjoying a hard shell taco nowadays is like showing up to a street takeover in a horse buggy.

From Los Angeles Times • May 13, 2026

In his downtime he would travel by horse and buggy across Pennsylvania and neighboring states with what he called his "exhibition": a new-fangled Edison phonograph, a magic lantern slide projector and later on, movies.

From Barron's • Apr. 13, 2026

Hitching up Big Jack to the buggy was about his limit.

From "Cold Sassy Tree" by Olive Ann Burns