Synonyms for Adventitious:

• adj.

  •accidental (adjective)
  • haphazard,
  • uncalculated,
  • fluky,
  • fatal,
  • purposeless,
  • fortunate,
  • unintentional,
  • causeless,
  • aimless.
  •all (adjective)
  • adventitious.
  •casual (adjective)
  • un premeditated,
  • more serendipitous,
  • un-premeditated,
  • in frequent,
  • offhand,
  • most serendipitous,
  • irregular,
  • in-frequent.
  •chance (adjective)
  • unlooked for,
  • at random,
  • more fortunate.
  •extraneous (adjective)
  • off the subject,
  • beside point,
  • inapposite,
  • Non-essential,
  • out of place,
  • supplementary.
  •foreign (adjective)
  • un characteristic,
  • most uncharacteristic,
  • in consistent,
  • most irrelative,
  • in compatible,
  • more irrelative,
  • most inconsonant,
  • more inconsonant,
  • in-congruous,
  • more unassimilable,
  • in-compatible,
  • in-consonant,
  • un-characteristic,
  • in-consistent,
  • more uncharacteristic,
  • Irrelative,
  • un-assimilable,
  • most unassimilable,
  • in congruous,
  • un assimilable,
  • in consonant.
  •from outside (adjective)
  • nonessential.
  •incidental (adjective)
  • fluker,
  • sub ordinate,
  • more by the way,
  • sub-ordinate,
  • most contributing,
  • more contributing,
  • by-the-way,
  • flukest,
  • most by-the-way,
  • more by-the-way,
  • most by the way.
  •lucky (adjective)
  • everything going,
  • striking it rich,
  • hit big,
  • striking rich,
  • on streak,
  • in to something,
  • coming roses,
  • getting break,
  • on roll,
  • in groove,
  • on a streak.
  •possible (adjective)
  • snapper,
  • can do,
  • doable,
  • within reach,
  • cincher,
  • realizable,
  • no sweat,
  • imaginable,
  • hypothetical.
  •random (adjective)
  • un-considered,
  • more driftless,
  • more objectless,
  • spotest,
  • de-signless,
  • more unaimed,
  • most objectless,
  • un aimed,
  • de signless,
  • in-discriminate,
  • most driftless,
  • in discriminate,
  • un-aimed,
  • spoter,
  • un considered,
  • most designless,
  • most unaimed,
  • more designless.

• n.

  •
  • coincidence,
  • time,
  • accidentally,
  • stochastic,
  • accident,
  • serendipity,
  • surface,
  • unlucky,
  • coincidentally,
  • fluke.

• Other synonyms:

  •needless
  • unnecessary.
  •Other relevant words:
  • appurtenant,
  • Appended,
  • Annexed,
  • indirect,
  • undesigned,
  • gratuitous,
  • further,
  • involuntary,
  • inadvertent,
  • inconsequential,
  • unorganized,
  • Extrinsical,
  • supernumerary,
  • expatriate,
  • subsidiary,
  • unneeded,
  • unessential,
  • contributory,
  • unpremeditated,
  • needless,
  • insignificant,
  • collateral,
  • risky,
  • Suppletive,
  • arbitrary,
  • provisional,
  • de trop,
  • incident,
  • iffy,
  • excess,
  • occasional,
  • unlooked-for,
  • derived,
  • indeterminate,
  • indefinite,
  • indiscriminate,
  • accessorial,
  • adventitial,
  • side,
  • acquired,
  • unspecific,
  • alien,
  • secondary,
  • unpredictable,
  • nonnative,
  • peripheral,
  • odd,
  • aleatory,
  • hit-or-miss,
  • modal,
  • promiscuous,
  • accessory,
  • unordered,
  • objective,
  • subordinate,
  • supplemental,
  • statistical,
  • unimportant,
  • unspecified,
  • unwitting,
  • inessential,
  • unsystematic,
  • redundant,
  • auxiliary,
  • uncaused,
  • Ascititious,
  • fatidic,
  • hearsay,
  • conditional,
  • ancillary,
  • chancy,
  • adventive,
  • circumstantial,
  • unintended,
  • attached,
  • Destinal,
  • Superadded,
  • expendable,
  • undetermined,
  • added,
  • superfluous,
  • external,
  • uncalled-for,
  • non-specific,
  • additional,
  • dispensable,
  • stray,
  • dicey,
  • extra,
  • supportive,
  • given,
  • undirected,
  • critical,
  • limitative.

Paraphrases for Adventitious:

• Equivalence

  • Adjective
    fortuitous, random, accidental.
  • Noun, singular or mass
    accidental.

• Independent

  • Adjective
    unintended, unforeseen, unintentional, coincidental, casual, occasional, unforeseeable, unexpected, collateral.
  • Noun, singular or mass
    chance, weed, accident.

• Other Related

  • Adjective
    inadvertent, incidental, weedy.

Antonyms for Adventitious:

• adj.

  • Other antonyms:
    interior, necessary, inborn, innate, intrinsic, deep-seated, internal, intrinsical, essential, basic, congenital, inbred, inherent, inside.

Homophones for Adventitious:

• advantageous, advantage.