Definition

1. Noun:
   • A motor vehicle with four wheels; usually propelled by an internal combustion engine: "Auto" is a common, informal term for a car or automobile, referring to a road vehicle designed to carry passengers.

Usage

• "Auto" is primarily used as a noun in informal or conversational contexts. It is a shortened form of "automobile." It is less formal than "car" or "automobile."

Examples

• Noun:
  • He bought a new auto last week.
  • The city has many auto repair shops.
  • She learned to drive in her father's old auto.

Advanced Usage

• "Auto" as a prefix: While the target word is the noun "auto," it is important to note that "auto-" is a common prefix meaning "self" or "automatic" (e.g., , ). This is a different linguistic element.
• Industry/Technical Context: The term "auto" is often used in compound names within the automotive industry (e.g., auto parts, auto body, auto loan). These are considered separate compound terms.

Variants and Related Words

• Automobile (n): The full, more formal term for a car.
• Car (n): The most common and neutral synonym for "auto."
• Motor vehicle (n): A more technical or legal term encompassing cars, trucks, etc.
• Vehicle (n): A broader term for any means of transport.

Synonyms

• Car
• Automobile
• Motorcar (somewhat dated)
• Wheels (slang)

Idioms

• In the auto: This is not a standard idiom. The more common idiom uses the word "car," such as "backseat driver" (a passenger who gives unwanted advice) or "Sunday driver" (a slow, leisurely driver).

Noun

1. a motor vehicle with four wheels; usually propelled by an internal combustion engine
   • he needs a car to get to work