Word.ws English Dictionary

additionality

additionality noun: the property of being additional.

Noun

additionality (plural additionalities)

  1. The property of being additional.
  2. Net positive difference that results from economic development intervention. The extent to which an activity (and associated outputs, outcomes and impacts) is larger in scale, at a higher quality, takes place quicker, takes place at a different location, or takes place at all as a result of intervention. Additionality measures the net result, taking account of deadweight, leakage, displacement, substitution and economic multipliers.

Forms of additionality

pluraladditionalities

Origin of additionality

From additional + -ity.

Questions about additionality

What does additionality mean?
Additionality means the property of being additional.
What part of speech is additionality?
Additionality is a noun.
What is the plural of additionality?
The plural of additionality is additionalities.

Words near additionality in the dictionary

  1. additional
  2. additional accompaniment
  3. additional accompaniments
  4. additional time
  5. additionalities
  6. additionality
  7. additionally
  8. additionals
  9. additionary
  10. additionist
  11. additionists

Source and license

Adapted from Wiktionary: additionality (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “additionality.” Word.ws, https://word.ws/additionality. Based on Wiktionary, CC BY-SA 4.0.