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Definition of zero

zero

/ˈziː.roʊ/
ze · ro

Plural:zeros
•
Past Simple:zeroed
•
Past Participle:zeroed
•
Present Participle:zeroing
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zero Lexical Profile

zero Game Scores & Validity

• noun

1

The numerical symbol 0, denoting the absence of all magnitude or quantity; the cardinal number between -1 and 1.

Example

"Make sure you do not accidentally add an extra zero to the invoice total."


2

The point on a graduated scale or instrument, such as a thermometer, from which positive and negative readings are measured.

Example

"Overnight temperatures in the northern valley plunged to ten degrees below zero."


3

The lowest possible point or level of something, or a person or thing regarded as completely insignificant.

Example

"After three consecutive delays, the passengers' patience had dropped to zero."

Synonyms
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Antonyms
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• adjective

1

Amounting to nothing; having no measurable quantity, value, or number.

Example

"The company has a zero tolerance policy regarding workplace harassment."

Synonyms
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Antonyms
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• verb

1

To direct all of one's attention, focus, or effort toward a specific target or issue (usually followed by 'in on').

Example

"The research team quickly zeroed in on the primary cause of the software malfunction."


2

To adjust or reset a measuring instrument, scale, or gauge to the zero point to ensure accurate readings.

Example

"The lab technician carefully zeroed the digital scale before weighing the chemical sample."

Synonyms
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Antonyms
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• Rhymes for zero

Word Origin & Etymology

Borrowed in the early 17th century from French zéro or Italian zero, derived via Medieval Latin zephirum from the Arabic ṣifr ('empty' or 'cipher'), which was itself a translation of the Sanskrit śūnya ('void').

Cite this Entry


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