Definition

1. Adjective:
   • Capable of being demonstrated or proved: Something that is "demonstrable" can be shown to be true or real through evidence, logic, or clear presentation.
   • Clearly apparent or obvious: Something that is "demonstrable" is so evident that it can be easily seen or understood.

Examples of Usage

• Adjective:
  • The link between smoking and lung cancer is scientifically demonstrable.
  • There was a demonstrable improvement in her test scores after the tutoring sessions.
  • His commitment to the project is demonstrable through his long hours of work.

Advanced Usage

• "A demonstrable fact": A fact that can be conclusively proven.
  • It is a demonstrable fact that water boils at 100°C at sea level.
• "Demonstrably true/false": In a way that can be clearly shown to be true or false.
  • The theory was demonstrably false when new evidence emerged.

Variants and Related Words

• Demonstrate (verb): To show clearly by giving proof or evidence.
  • The experiment demonstrated the principle of gravity.
• Demonstration (noun): An act of showing something clearly, or a public protest.
  • The teacher gave a demonstration of the chemical reaction.
• Demonstrative (adjective): Tending to show feelings openly; or serving as conclusive proof.
  • She is very demonstrative with her affection.

Synonyms

• Provable: Able to be proven.
• Verifiable: Able to be checked or confirmed.
• Evident: Plain or obvious; clearly seen or understood.
• Indisputable: Unable to be challenged or denied.

Antonyms

• Indemonstrable: Not capable of being demonstrated or proved.
• Unprovable: Not able to be proven.
• Debatable: Open to discussion or argument.

Adjective

1. capable of being demonstrated or proved
   • obvious lies
   • a demonstrable lack of concern for the general welfare
   • practical truth provable to all men- Walter Bagehot
2. necessarily or demonstrably true
   • demonstrable truths