counterfactual

C2 Topic:Science & Research

US /ˌkaʊntərˈfæktʃuəl/ UK /ˌkaʊntəˈfæktʃuəl/ See IPA manual

adj noun

Meanings

1

adj
relating to or expressing what has not happened but could happen under different conditions

The novel explores a counterfactual history where the war ended differently.
2

noun
a statement or hypothesis about what could have occurred if circumstances were different

The counterfactual suggests that if she had left earlier, she would have avoided the traffic.

Thesaurus

Synonyms

1 adj · relating to or expressing... hypothetical imagined speculative theoretical conjectural

2 noun · a statement or hypothesis... what-ifhypothetical scenarioimagined situationspeculative case

Opposites

factual actual real

Etymology

From Latin counter- ("against") and factum ("fact; deed"), forming Modern English counterfactual ("contrary to fact").

Topics

Science & Research Word Formation & Derivatives

# counterfactual

**Type:** Word
**Level:** C2
**Part of speech:** adj, noun
**IPA (US):** ˌkaʊntərˈfæktʃuəl
**IPA (UK):** ˌkaʊntəˈfæktʃuəl

## Meanings
1. relating to or expressing what has not happened but could happen under different conditions
2. a statement or hypothesis about what could have occurred if circumstances were different

## Examples
- The novel explores a counterfactual history where the war ended differently.
- The counterfactual suggests that if she had left earlier, she would have avoided the traffic.

## Synonyms
- hypothetical
- imagined
- speculative
- theoretical
- conjectural
- what-if
- hypothetical scenario
- imagined situation
- speculative case

## Antonyms
- factual
- actual
- real

## Etymology
From Latin counter- ("against") and factum ("fact; deed"), forming Modern English counterfactual ("contrary to fact").

## AI Etymology
Counterfactual comes from Latin counter- ("against") and factum ("fact; deed"), forming Modern English counterfactual ("contrary to fact"). In current use it is an adjective and noun meaning "relating to or expressing what has not happened but could happen under different conditions". That sense is explained by the older material without requiring a speculative semantic step: the inherited or borrowed base supplies the field of meaning, while the English formation fixes its modern role. The history is mainly one of transmission into English, with the older form and sense carried through borrowing or adaptation. For dictionary purposes, the important point is the continuity between the older form, the route into English, and the present lexical sense.

## Topics
- Science & Research
- Word Formation & Derivatives

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counterfactual

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