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notional

/ˈnəʊʃənəl/ · no·ti·o·nal
adjective
  1. Of, containing, or being a notion; mental or imaginary. The artist's notional depiction of the cityscape was a product of her vivid imagination.
  2. Speculative, theoretical, not the result of research. This paper proposes a notional Federated Identity Management (FIM) architecture.
  3. Having descriptive value as opposed to a syntactic category. The notional distinction between nouns and verbs is often blurred in modern linguistics.
noun
  1. A fake company used as a front in espionage. The intelligence agency suspected that the notional company was a cover for a clandestine operation.
Did you know? The term 'notional' is often used in finance to describe a hypothetical or theoretical value, such as a notional value of a derivative contract.
Written by Lexi Wordsworth, Dictionary Editor 2 lookups Added Aug 3, 2026