undefined

/,ʌndi'faind/

Thân thiện

The term "undefined" appears in the mathematical equation on the whiteboard.

Definition

1. Adjective:
   • Not precisely limited, determined, or distinguished: Lacking clear boundaries, a fixed identity, or a specific definition. It describes something that is vague, ambiguous, or not explicitly stated.
   • Not clearly expressed or identified: Refers to concepts, feelings, rules, or roles that are not made definite or concrete.

Examples of Usage

• Adjective:
  • The rules for the new project are still undefined, causing some confusion.
  • She felt an undefined sense of anxiety about the future.
  • The border between the two properties remains undefined.

Advanced Usage

• In mathematics and computing: Used to describe a value, variable, or state that has not been assigned a specific meaning or value.
  • The function returns an undefined result if you divide by zero.
• In formal contexts: Often used to discuss abstract concepts, legal terms, or philosophical ideas that lack a precise formulation.
  • The treaty left the status of the islands undefined.

Variants and Related Words

• Undefinedly (adverb): In an undefined manner.
  • The territory stretched undefinedly into the distance.
• Undefinedness (noun): The state or quality of being undefined.
  • The undefinedness of the concept makes it difficult to study.

Synonyms

• Vague: Not clearly expressed or understood.
• Indeterminate: Not exactly known, established, or defined.
• Ambiguous: Open to more than one interpretation; not having one obvious meaning.
• Unspecified: Not stated clearly or exactly.

Antonyms

• Defined: Clearly stated, described, or identified.
• Specific: Clearly defined or identified.
• Determined: Having been decided or settled conclusively.

Related Phrases and Usage Notes

• "Leave something undefined": To deliberately not give something a clear definition or limit.
  • The contract left the delivery dates undefined.
• "Remain undefined": To continue to be without a clear definition.
  • The cause of the problem remains undefined.

Học thuật

Adjective

1. not precisely limited, determined, or distinguished
   • an undefined term
   • undefined authority
   • some undefined sense of excitement
   • vague feelings of sadness
   • a vague uneasiness

Từ đồng nghĩa

• vague