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Definition of pivotal

pivotal

/ˈpɪv.ə.təl/
piv · ot · al
Adverb:pivotally
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pivotal Lexical Profile

pivotal Game Scores & Validity

• adjective

1

Of crucial importance in relation to the development or success of something else.

Example

"Her research played a pivotal role in the development of the new renewable energy technology."

2

Fixed on or functioning as a mechanical pivot or central axis.

Example

"The engineer inspected the pivotal joint of the crane's rotating arm for signs of wear."

Synonyms
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Antonyms
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• Nearby Words

piura
pivot
pivotable
pivotal
pivotally
pixel
pixelate

Word Origin & Etymology

Formed in the mid-19th century in English from the noun 'pivot' plus the adjectival suffix '-al'. 'Pivot' entered English from Old French, denoting a pin on which a hinge or gate turns.

Cite this Entry

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