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Supposedly vs. Supposably


[uh-pree-shee-uh-buh l, -shuh-buh l] /əˈpri ʃi ə bəl, -ʃə bəl/
sufficient to be readily perceived or estimated; considerable:
There is an appreciable difference between socialism and communism.
Origin of appreciable
1810-20; appreci(ate) + -able
Related forms
appreciably, adverb
unappreciable, adjective
unappreciably, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for appreciably
Contemporary Examples
Historical Examples
  • There is appreciably less light every day; soon there will be none; but the good spirits do not wane with the light.

    Farthest North Fridtjof Nansen
  • In fact, they are appreciably warmer than when they were first brought in.

    Spawn of the Comet Harold Thompson Rich
  • Those who are suffering from constipation are appreciably benefitted by the use of distilled water.

    A Guide to Health Mahatma Gandhi
  • Pure water does not appreciably conduct the electric current.

  • After the air had appreciably cooled she ventured again: "I don't suppose Mrs. Mosby knew how to reach me?"

    Stubble George Looms
  • They cannot appreciably perturb either the planets they approach or each other.

    Pioneers of Science Oliver Lodge
  • This forms more than half the aggregate tonnage for the United States, and has appreciably increased within the last ten years.

  • The lives of several of them were appreciably modified by this meeting.

    The Golden House Charles Dudley Warner
  • It will be remarked that appreciably smaller doses induced symptoms in all of them, and one case terminated fatally.

    The Toxicity of Caffein William Salant
British Dictionary definitions for appreciably


/əˈpriːʃɪəbəl; -ʃəbəl/
sufficient to be easily seen, measured, or noticed
Derived Forms
appreciably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for appreciably



1818 (mid-15c. in sense "worthy"); from French appréciable and directly from Medieval Latin appretiabilis, from Late Latin appretiare (see appreciate). Related: Appreciably.

Online Etymology Dictionary, © 2010 Douglas Harper
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