Definition of Classify

1. Verb. Arrange or order by classes or categories. "How would you classify these pottery shards--are they prehistoric?"

2. Verb. Declare unavailable, as for security reasons. "Sam and Sue classify the movie "; "Classify these documents"
Generic synonyms: Restrict
Derivative terms: Classification
Antonyms: Declassify

3. Verb. Assign to a class or kind. "People argue about how to relegate certain mushrooms"

Definition of Classify

1. v. t. To distribute into classes; to arrange according to a system; to arrange in sets according to some method founded on common properties or characters.

Definition of Classify

1. Verb. To identify by or divide into classes; to categorize ¹

2. Verb. To declare something a secret, especially a government secret ¹

¹ Source:

Definition of Classify

1. to arrange according to characteristics [v -FIED, -FYING, -FIES]

Literary usage of Classify

Below you will find example usage of this term as found in modern and/or classical literature:

1. Monographic Medicine by William Robie Patten Emerson, Guido Guerrini, William Brown, Wendell Christopher Phillips, John Whitridge Williams, John Appleton Swett, Hans Günther, Mario Mariotti, Hugh Grant Rowell (1916)
"(c) Attempt to classify the Nephropathies on an Etiological- ... I have attempted to classify the commoner forms of renal disease as follows: I. ..."

2. The Encyclopedia Americana: A Library of Universal Knowledge (1920)
"This variation in wools makes it necessary to classify them according to their qualities. ... They classify ..."

3. The Auk: Quarterly Journal of Ornithology by American Ornithologists' Union, Nuttall Ornithological Club (1891)
"Sharpe's 'Review of Recent Attempts to classify Birds.'*—Of the man v important addresses, memoirs, and reports read before the Second International ..."

4. Genetics & Eugenics: A Text-book for Students of Biology and a Reference by William Ernest Castle, Gregor Mendel (1916)
"Meantime, Bateson was attempting to classify variations on morphological grounds without reference to their causation, and Pearson was seeking to measure ..."

5. The Genesis of Art-form: An Essay in Comparative Aesthetics Showing the by George Lansing Raymond (1893)
"... through Comparison, "classify and Conquer" them—This the Basis of Knowledge in all Departments—Science and Philosophy classify Effects Conditioned upon ..."

6. The Face of the Earth: (Das Antlitz Der Erde) by Eduard Suess (1904)
"Of late years many attempts have been made to classify earthquakes according to their origin. R. Hoernes distinguishes earthquakes produced by subsidence, ..."

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