Definition

Noun: A backrest is a support attached to a seat, designed for a person to lean their back against while sitting. Its primary function is to provide comfort and postural support.

Usage

The word "backrest" is used to describe the supportive back part of a seat, such as a chair, car seat, or bench. It is a compound noun formed from "back" and "rest."

Examples

• The backrest on this office chair is not very comfortable.
• She adjusted the angle of the car seat's backrest for a better driving position.
• For safety, ensure the baby's highchair has a sturdy backrest.

Advanced Usage

• "Adjustable backrest": A common phrase describing a backrest whose angle or height can be changed.
  • An adjustable backrest is essential for proper ergonomics at a workstation.

Variants and Related Words

• Back (noun): While "back" can refer to the rear part of many things, in the context of seating, it is often used interchangeably with "backrest" in informal speech (e.g., "the back of the chair").
• Lumbar support (noun): A specific, often padded, part of a backrest designed to support the lower back.

Synonyms

• Support
• Back support
• Chair back

Antonyms

• There is no direct antonym, but a seat without a backrest could be described as a stool or backless seat.

Noun

1. a support that you can lean against while sitting
   • the back of the dental chair was adjustable