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[kuh n-sis-tuh nt] /kənˈsɪs tənt/
agreeing or accordant; compatible; not self-contradictory:
His views and actions are consistent.
constantly adhering to the same principles, course, form, etc.:
a consistent opponent.
holding firmly together; cohering.
Archaic. fixed; firm.
Origin of consistent
First recorded in 1565-75, consistent is from the Latin word consistent- (stem of consistēns, present participle of consistere). See consist, -ent
Related forms
consistently, adverb
quasi-consistent, adjective
quasi-consistently, adverb
1. congruous, consonant, harmonious, conformable. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for consistent
Contemporary Examples
Historical Examples
  • In short, when a person is always to deceive, it is impossible to be consistent.

    Lady Susan Jane Austen
  • In truth, they had as a body no consistent and exact theory of the Federal bond.

    The Negro and the Nation George S. Merriam
  • This is substantially the theory which Gordon presents as a fact, and it is most consistent with fact.

  • The only consistent thing about them was that they never back-trailed!

    Land of the Burnt Thigh Edith Eudora Kohl
  • The praise of his friends round the Oxford tea-tables turned him into a consistent prevaricator.

    Rowlandson's Oxford A. Hamilton Gibbs
British Dictionary definitions for consistent


showing consistency; not self-contradictory
(postpositive) foll by with. in agreement or harmony; accordant
steady; even: consistent growth
(maths) (of two or more equations) satisfied by at least one common set of values of the variables: x + y = 4 and x – y = 2 are consistent
  1. (of a set of statements) capable of all being true at the same time or under the same interpretation
  2. Also sound. (of a formal system) not permitting the deduction of a contradiction from the axioms Compare complete (sense 5)
(obsolete) stuck together; cohering
Derived Forms
consistently, 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 consistent

1570s, "standing firm, standing still," from Latin consistentem (nominative consistens), present participle of consistere (see consist). Modern sense of "agreeing" (with with) is first attested 1640s. Older sense survives in consistency. Related: Consistently.

Online Etymology Dictionary, © 2010 Douglas Harper
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