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Compulsory vs Complimentary - What's the difference?

compulsory | complimentary |

As adjectives the difference between compulsory and complimentary

is that compulsory is required; obligatory; mandatory while complimentary is in the nature of a compliment.

As a noun compulsory

is something that is compulsory or required.

compulsory

English

Adjective

(en adjective)
  • Required; obligatory; mandatory.
  • * 1827 , A. D. Jr., Edinburgh Medical and Surgical Journal , A. and C. Black, page 212:
    • They are entirely private concerns, established by individual teachers, and attendance upon them is no more compulsory than attendance on our dispensaries.
  • * 1996 , (Ugo Pagano), Democracy and Efficiency in the Economic Enterprise , page 73:
    • Some might agree that membership in the firm is perhaps more compulsory than membership in a municipality, but balk at applying the analogy to the nation.
  • * {{quote-magazine, date=2013-07-19, author=(Peter Wilby)
    • , volume=189, issue=6, page=30, magazine=(The Guardian Weekly) , title= Finland spreads word on schools , passage=Imagine a country where children do nothing but play until they start compulsory schooling at age seven. Then, without exception, they attend comprehensives until the age of 16. Charging school fees is illegal, and so is sorting pupils into ability groups by streaming or setting.}}
  • Having the power of compulsion; constraining.

    • Synonyms

    * mandatory

    Antonyms

    * (required) optional

    Noun

    (compulsories)
  • Something that is compulsory or required.
  • * {{quote-news, year=2008, date=March 22, author=The Associated Press, title=French Victory in Ice Dance, work=New York Times citation
    • , passage=Delobel and Schoenfelder failed to win the free dance, but they had built a big lead in the compulsories and the original dance. }}

    complimentary

    English

    (wikipedia complimentary)

    Adjective

    (en adjective)
  • In the nature of a compliment.
  • * , The Letters of Mark Twain, Vol. 3 (published 2004) p. 56.
    • But yesterday evening late, when Lewis arrived from down town he found his supper spread, and some presents of books there, with very complimentary' writings on the fly-leaves, and certain very ' complimentary letters, and more or less greenbacks of dignified denomination pinned to those letters and fly-leaves...
  • Free; provided at no charge.
  • * Vivien Lougheed, Belize Pocket Adventures (2005), p. 65.
    • In the evenings, Ward and PJ offer guests a complimentary drink. This gesture seems to reinforce the hosts' desire to make everyone feel welcome.
  • With respect to the closing of a letter, formal and professional.
  • * Richard H. Beatty, The Perfect Cover Letter (2003).
    • The complimentary closing is the word grouping used to bring the message or text to a close.

    Usage notes

    * Complimentary and complementary are frequently confused and misused in place of one another.

    Antonyms

    * uncomplimentary

    Derived terms

    * complimentarily * complimentariness