1. happening at the same time.
  2. coinciding; occupying the same place or position.
  3. exactly corresponding.
  4. in exact agreement (usually followed by with).

Origin of coincident

1555–65; < Medieval Latin coincident- (stem of coincidēns) present participle of coincidere to coincide; see -ent
Related formsnon·co·in·ci·dent, adjectivepre·co·in·ci·dent, adjectivepre·co·in·ci·dent·ly, adverbsu·per·co·in·ci·dent, adjectivesu·per·co·in·ci·dent·ly, adverbun·co·in·ci·dent, adjectiveun·co·in·ci·dent·ly, adverb

Synonyms for coincident

Synonym study

1. See contemporary. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for non-coincident


  1. having the same position in space or time
  2. (usually postpositive and foll by with) in exact agreement; consonant
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

Word Origin and History for non-coincident



late 16c., from French coincident, from coincider (see coincide).

Online Etymology Dictionary, © 2010 Douglas Harper