Definition

1. Adjective:
   • Not able to be ascertained; resisting discovery: Describes something that cannot be found out, determined, or made certain through investigation or effort.

Usage

• The adjective "unascertainable" is used to describe facts, causes, quantities, or truths that are fundamentally impossible to determine or verify.
• It is a formal term, often found in academic, legal, scientific, or philosophical contexts.
• It typically precedes a noun or follows a linking verb like "is," "was," or "remains."

Examples

• The exact origin of the ancient artifact remains unascertainable due to the lack of written records.
• In many historical cases, the true motives of key figures are unascertainable.
• The report highlighted the unascertainable risks associated with the new technology.

Advanced Usage

• "In principle, unascertainable": Used in philosophy or science to describe something that is unknowable by its very nature, not just due to current limitations.
  • The exact state of a particle before measurement is, according to some interpretations, in principle unascertainable.
• "Legally unascertainable": Used in legal contexts to describe damages, intentions, or facts that cannot be legally determined.
  • The plaintiff sought compensation for unascertainable future losses.

Variants and Related Words

• Unascertained (adj): Not yet ascertained or determined, but with the implication that it be. This differs from "unascertainable," which implies it be.
  • The total number of victims is still unascertained. (It is not yet known, but investigators are working on it.)
• Ascertain (v): To find out or learn with certainty.
• Inscrutable (adj): Impossible to understand or interpret, often referring to motives or expressions.
• Incalculable (adj): Too great to be calculated or estimated; often used for abstract things like value or influence.

Synonyms

• Undeterminable: Incapable of being definitely decided or settled.
• Unfathomable: Incapable of being fully explored or understood.
• Inscrutable: Impossible to understand or interpret.
• Impenetrable: Impossible to pass through or understand.

Antonyms

• Ascertainable: Able to be found out, learned, or determined.
• Determinable: Able to be definitely decided or ascertained.
• Knowable: Capable of being known.
• Discoverable: Able to be found or uncovered.

Adjective

1. not able to be ascertained; resisting discovery