Synonyms for Coincidental:

• adj.

  •accidental (adjective)
  • fluky,
  • uncalculated,
  • fortuitous.
  •circumstantial (adjective)
  • environmental,
  • provisional.
  •concomitant (adjective)
  • more conjoined,
  • most conjoined,
  • most incident,
  • more corollary,
  • co-incident,
  • more adjuvant,
  • be longing,
  • more coefficient,
  • most accessory,
  • most synchronal,
  • co efficient,
  • most concordant,
  • most satellite,
  • co existent,
  • co ordinate,
  • more associative,
  • more incident,
  • most corollary,
  • more fellow,
  • co-efficient,
  • more concordant,
  • more belonging,
  • co incident,
  • most adjuvant,
  • most coefficient,
  • most coterminous,
  • most belonging,
  • most fellow,
  • most associative,
  • more coterminous,
  • be-longing,
  • more accessory,
  • more synchronal,
  • more satellite.
  •congruous (adjective)
  • be-coming,
  • most correspondent,
  • more correspondent.
  •fluky (adjective)
  • in-calculable,
  • in calculable.
  •incidental (adjective)
  • more contributing,
  • sub-ordinate,
  • most contributing,
  • most by the way,
  • fluker,
  • sub ordinate,
  • flukest,
  • by-the-way,
  • most by-the-way,
  • non essential,
  • more by-the-way,
  • more by the way,
  • occasional.
  •overlapping (adjective)
  • over-lapping,
  • most super imposed,
  • most overlying,
  • more super imposed,
  • more overlying,
  • more protruding,
  • super imposed,
  • more superimposed,
  • over-lying,
  • most super-imposed,
  • over lying,
  • most superimposed,
  • over lapping,
  • most protruding,
  • ex tending,
  • ex-tending,
  • more super-imposed.
  •similar (adjective)
  • much the same,
  • consubstantial.

• n.

  •
  • by accident,
  • contemporaneous.
  •coincidental (noun)
  • at the same time,
  • synchronous,
  • synchronic.

• v.

  •coinciding (verb)
  • overlapping.

• Other synonyms:

  •
  • reflex,
  • unpremeditated,
  • unintended,
  • aimless,
  • chance,
  • unscheduled,
  • unintentional,
  • random,
  • impromptu,
  • spontaneity,
  • automatic,
  • arbitrary,
  • ad lib,
  • unplanned,
  • inadvertently,
  • reflexive,
  • spur-of-the-moment,
  • unwitting,
  • seat-of-the-pants,
  • unwittingly,
  • spontaneous,
  • unconscious,
  • Willy nilly,
  • instinctual,
  • unprepared,
  • unorganized,
  • sine die,
  • instinctive,
  • extemporaneous,
  • automatically,
  • off the cuff,
  • accidental,
  • ad hoc,
  • incidentally,
  • motiveless,
  • extempore,
  • involuntary,
  • offhand.
  •
  • loose,
  • primitive,
  • accidentally,
  • casual,
  • mechanical.
  •
  • cold.
  •Other relevant words:
  • coexistent,
  • natural,
  • coexisting,
  • extemporary,
  • coextensive,
  • conformable,
  • happy,
  • uncontrived,
  • lucky,
  • corresponding,
  • equivalent,
  • adventitious,
  • parallel,
  • accordant,
  • coequal,
  • homologous,
  • unpredictable,
  • unstudied,
  • unpredicted,
  • ad-lib,
  • unlucky,
  • coeval,
  • Unarranged,
  • congruent,
  • correspondent,
  • unforeseen,
  • coetaneous,
  • unexpected,
  • contemporary,
  • consistent,
  • last-minute,
  • haphazard,
  • equal,
  • joint,
  • impulsive.

Paraphrases for Coincidental:

• Equivalence

  • Adjective
    accidental.

• Forward Entailment

  • Adjective
    incidental.

• Independent

  • Adjective
    unintentional, casual, adventitious.

• Other Related

  • Adjective
    fortuitous, inadvertent, random, haphazard.

Antonyms for Coincidental:

• adj.

  • accidental
    designed, planned, decided, deliberate, intentional.
  • Other antonyms:
    unconnected, unassociated, asynchronous, nonsynchronous, unrelated.

• Other antonyms:

  • n.
    diachronic, historical.