Synonyms for Unessential:

• adj.

  •extraneous (adjective)
  • alien,
  • detached,
  • disconnected,
  • disjoint,
  • dissociated,
  • eerie,
  • estranged,
  • exotic,
  • external,
  • extraneous,
  • extraterrestrial,
  • extrinsic,
  • foreign,
  • foreign-born,
  • immaterial,
  • impertinent,
  • inadmissible,
  • inapplicable,
  • inappropriate,
  • irrelevant,
  • nonessential,
  • other,
  • outer,
  • outlandish,
  • outside,
  • parenthetical,
  • removed,
  • segregated,
  • separate,
  • separated,
  • strange,
  • supplementary,
  • unaffiliated,
  • unrelated,
  • Unallied,
  • disaffiliated,
  • off the subject,
  • inapposite,
  • Non-essential.
  •uncalled-for (adjective)
  • not required.
  •unimportant (adjective)
  • small.
  •unnecessary (adjective)
  • avoidable,
  • dispensable,
  • expendable,
  • futile,
  • inessential,
  • irrelevant,
  • needless,
  • nonessential,
  • optional,
  • uncalled-for,
  • unimportant,
  • unneeded,
  • useless,
  • worthless,
  • unrequired,
  • beside the point.

• adv

  •unimportant (adverb)
  • neither here nor there.

• n.

  •
  • dispensable,
  • necessary,
  • needless,
  • uncalled-for,
  • unnecessary,
  • unneeded,
  • unrequired.
  •inessential (noun)
  • dispensable,
  • minor,
  • slight,
  • trivial,
  • unnecessary.
  •unessential (noun)
  • complemental,
  • complementary,
  • completing,
  • incidental,
  • inessential,
  • nonessential.

• Other synonyms:

  •
  • unneeded,
  • unrequired.
  •
  • dispensable,
  • needless,
  • uncalled-for.
  •needless
  • unnecessary.
  •petty
  • trivial.
  •uncalled-for
  • gratuitous.
  •valueless
  • worthless.
  •Other relevant words:
  • accessorial,
  • accessory,
  • accident,
  • accidental,
  • added,
  • addendum,
  • addition,
  • additional,
  • adjunct,
  • adrift,
  • adscititious,
  • adventitious,
  • aleatory,
  • ancillary,
  • appendage,
  • appurtenance,
  • appurtenant,
  • auxiliary,
  • avoidable,
  • back burner,
  • casual,
  • chance,
  • cipher,
  • circumstantial,
  • collateral,
  • complemental,
  • complementary,
  • completing,
  • conditional,
  • contingency,
  • contingent,
  • de trop,
  • dinky,
  • dispensable,
  • disposable,
  • excess,
  • excessive,
  • expendable,
  • expletive,
  • extra,
  • flimsy,
  • fortuitous,
  • futile,
  • gratuitous,
  • happenstance,
  • hearsay,
  • inapposite,
  • inappreciable,
  • incidental,
  • inconsequent,
  • inconsequential,
  • inconsiderable,
  • indifferent,
  • indirect,
  • inessential,
  • inferior,
  • insignificant,
  • insubstantial,
  • iterative,
  • light,
  • little,
  • minor,
  • minute,
  • necessary,
  • needless,
  • negligible,
  • niggling,
  • no-account,
  • no-good,
  • nobody,
  • nonentity,
  • nothing,
  • nugatory,
  • occasional,
  • optional,
  • out-of-the-way,
  • outward,
  • paltry,
  • parenthetic,
  • peripheral,
  • petty,
  • piddling,
  • pleonastic,
  • prolix,
  • provisional,
  • puny,
  • redundant,
  • reiterative,
  • repetitious,
  • replaceable,
  • secondary,
  • slight,
  • small,
  • spare,
  • spear carrier,
  • subordinate,
  • subsidiary,
  • supererogatory,
  • superficial,
  • superfluous,
  • supernumerary,
  • supplement,
  • supplemental,
  • supplementary,
  • surplus,
  • tangential,
  • tautologic,
  • tautological,
  • technical,
  • trifling,
  • trivial,
  • uncalled-for,
  • unimportant,
  • unimpressive,
  • unnecessary,
  • unneeded,
  • unsubstantial,
  • unwanted,
  • unwarranted,
  • useless,
  • valueless,
  • verbose,
  • wordy,
  • worthless,
  • zero,
  • Ascititious,
  • Irrelative,
  • Petit,
  • Tautologous,
  • nebbish,
  • Superadded,
  • Superaddition,
  • Supervenient,
  • unrequired,
  • Non-essential,
  • beside the point,
  • beside the question,
  • neither here nor there,
  • not required,
  • in excess,
  • of no account,
  • unnoteworthy,
  • less important,
  • of no importance,
  • nihil ad rem,
  • not at issue,
  • off the subject,
  • non-critical.

Antonyms for Unessential:

• adj.

  • Other antonyms:
    all-important, crucial, essential, imperative, important, indispensable, necessary, needed, needful, pressing, required, urgent, vital.

• Other antonyms:

  • n. t.
    basal, biogenic, constituent, constitutional, constitutive, crucial, imperative, important, indispensable, intrinsic, intrinsical, necessary, needed, needful, no-frills, of import, organic, pressing, primary, staple, substantial, substantive, unexpendable, urgent, virtual, vital.