Word.ws English Dictionary

flattener

flattener noun: anything that flattens.

Noun

flattener (plural flatteners)

  1. Anything that flattens.
  2. A trade whose terms are based on the assumption that the rate of return will decrease.
    • Provided that the curve doesn't ever flatten too much and the option remains out-of-the-money, then we will put on flatteners when the curve steepens and put on steepeners when the curve flattens.2012, Howard Corb, Interest Rate Swaps and Other Derivatives, page 451
    • For example, if a trader thought that 2's 10's would trade lower than 185, he or she would put on a flattener.2014, Greg Gliner, Global Macro Trading: Profiting in a New World Economy

Forms of flattener

pluralflatteners

Origin of flattener

From flatten + -er.

Questions about flattener

What does flattener mean?
Flattener means anything that flattens.
What part of speech is flattener?
Flattener is a noun.
What is the plural of flattener?
The plural of flattener is flatteners.

Words near flattener in the dictionary

  1. flattened devicetree
  2. flattened down
  3. flattened out
  4. flattened rice
  5. flattened the curve
  6. flattener
  7. flatteners
  8. flattening
  9. flattening down
  10. flattening out
  11. flattening the curve

Source and license

Adapted from Wiktionary: flattener (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: “flattener.” Word.ws, https://word.ws/flattener. Based on Wiktionary, CC BY-SA 4.0.