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Definition of plateau

plateau

/plæˈtoʊ/
pla · teau

Plural:plateaus
•
Past Simple:plateaued
•
Past Participle:plateaued
•
Present Participle:plateauing
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plateau Lexical Profile

plateau Game Scores & Validity

• noun

1

An extensive area of relatively flat, elevated land that rises sharply above the surrounding terrain on at least one side.

Example

"The expedition set up base camp on a windswept plateau high in the Andes."


2

A state or period of little or no change following a phase of growth, progress, or activity.

Example

"After six months of rapid improvement, her language proficiency reached a temporary plateau."

Synonyms
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Antonyms
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• verb

1

To reach a state of little or no change after a time of growth, progress, or increase.

Example

"Housing prices climbed steadily for three years before finally plateauing this autumn."

Synonyms
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Antonyms
View all antonyms for plateau

Word Nuance & Usage

Both 'plateaus' and the French-derived 'plateaux' are accepted plural forms in English, though 'plateaus' is significantly more common in modern standard usage.

• Rhymes for plateau

Word Origin & Etymology

Borrowed in the late 18th century from French 'plateau', a diminutive of Old French 'platel' (meaning a flat piece of metal or wood), which ultimately derives from Vulgar Latin '*plattus' and Ancient Greek 'platys' ('flat, broad').

Cite this Entry


Wordmom. (2026). Definition of Plateau. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/plateau
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