Synonyms for

Perimeter

Verb / pɜ:ˈɪmʌtɜ: / Another word for perimeter — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

The outer boundary of a figure or area.

Synonyms & similar words

border margin circumference boundary edge circumference outskirts border fringe brim margin periphery rim skirt borderline bounds circumference edge environs fringe limit margin outskirts periphery

Synonyms by register

Formal

boundary circumference outline contour

Informal

edge border rim

Literary

circuit compass enclosure

Antonyms

center interior middle inside core heart

Common collocations

  • calculate the perimeter
  • measure the perimeter
  • outer perimeter
  • perimeter fence
  • perimeter security
  • perimeter defense
  • perimeter of a shape

Word family

noun perimeter
adjective perimetric

Usage note

Perimeter most commonly refers to the boundary of a two-dimensional shape. While it can be used for three-dimensional objects, 'surface area' is often more appropriate.

Example sentences

  1. The police officer walked around the perimeter of the crime scene.
  2. The fence around the yard marks the perimeter of the property.
  3. The students were asked to measure the perimeter of the classroom.
  4. The castle was surrounded by a high perimeter wall.
  5. She drew a rectangle and labeled the perimeter of each side.

Quotes

  • The perimeter of wisdom is never measured by square feet.
  • The perimeter of a country is not defined by its borders, but by the breadth of its people's hearts and minds.
  • The perimeter of ignorance is as vast as the universe.

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