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2017 Word of the Year

complementary

[kom-pluh-men-tuh-ree, -tree] /ˌkɒm pləˈmɛn tə ri, -tri/
adjective
1.
forming a complement; completing.
2.
complementing each other.
noun, plural complementaries.
3.
Origin of complementary
1590-1600
First recorded in 1590-1600; complement + -ary
Related forms
complementariness, noun
uncomplementary, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for complementary
Contemporary Examples
Historical Examples
  • The scientific mind and the religious spirit are complementary.

    The Mistakes of Jesus William Floyd
  • The complementary story is told of the mandrake in mediæval Europe.

    The Evolution of the Dragon G. Elliot Smith
  • Actually, the relations of transmission and encounter are complementary.

    Herein is Love

    Reuel L. Howe
  • Here we see an area in which the role of the family and the role of the school are complementary.

    Herein is Love

    Reuel L. Howe
  • But there was a complementary historical truth on the other side.

British Dictionary definitions for complementary

complementary

/ˌkɒmplɪˈmɛntərɪ; -trɪ/
adjective
1.
acting as or forming a complement; completing
2.
forming a satisfactory or balanced whole
3.
forming a mathematical complement: sine and cosine are complementary functions
4.
(maths, logic) (of a pair of sets, etc) mutually exclusive and exhaustive, each being the complement of the other
5.
(of genes) producing an effect in association with other genes
6.
involving or using the treatments and techniques of complementary medicine
Derived Forms
complementarily, complementally, adverb
complementariness, noun
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 complementary
adj.

1620s, "ceremonious," from complement + -ary. Sense "forming a complement" attested from 1829, earliest in complementary colors.

Online Etymology Dictionary, © 2010 Douglas Harper
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Nearby words for complementary

Word Value for complementary

24
29
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