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Used vs Completed - What's the difference?

used | completed |

As verbs the difference between used and completed

is that used is (use) while completed is (complete).

As adjectives the difference between used and completed

is that used is that is or has or have been used while completed is finished.

used

English

Verb

(head)
  • (use)
  • * 1948 , , North from Mexico / The Spanish-Speaking People of The United States , J. B. Lippincott Company, page 75
    • In 1866 Colonel J. F. Meline noted that the rebozo had almost disappeared in Santa Fe and that hoop skirts, on sale in the stores, were being widely used .
    You used me!
  • (intransitive, as an auxiliary verb, now only in past tense) to perform habitually; to be accustomed [to doing something]
    • He used to live here, but moved away last year.

    Adjective

    (en adjective)
  • That is or has or have been used.
  • * {{quote-magazine, date=2013-08-03, volume=408, issue=8847, magazine=(The Economist)
    • , title= Boundary problems , passage=Economics is a messy discipline: too fluid to be a science, too rigorous to be an art. Perhaps it is fitting that economists’ most-used metric, gross domestic product (GDP), is a tangle too. GDP measures the total value of output in an economic territory. Its apparent simplicity explains why it is scrutinised down to tenths of a percentage point every month.}}
  • That has or have previously been owned by someone else.
  • Familiar through use; usual; accustomed.
  • * 1965 , (Bob Dylan), (Like a Rolling Stone)
    • Nobody's ever taught you how to live out on the street and now you're gonna have to get used to it.

    Synonyms

    * (having been used) * (previously owned by someone else) pre-owned, second-hand

    Antonyms

    * (having been used) unused * (previously owned by someone else) new

    Derived terms

    * usedness * well-used

    See also

    * used to

    Statistics

    *

    Anagrams

    * English heteronyms

    completed

    English

    Verb

    (head)
  • (complete)
    • Aldrichimica Acta Volume 30 No 4] (pdf) from [http://www.sigmaaldrich.com/chemistry/chemical-synthesis/learning-center/aldrichimica-acta.html Sigma-Aldrich
  • :: He completed his B.Sc. (Hons.) degree at the University of New South Wales in 1958 and went on to the Victoria University of Manchester where his studies on the fungal pigment phomazarin led to the award of a Ph.D. in 1963 under the supervision of (the late) Professor Arthur J. Birch.

    • Adjective

    (en adjective)
  • finished