Synonyms of the word

unessential

• adj. Not essential; unimportant.
• adj. Void of essence, or real being.

accessorial

• adj. Of or pertaining to an accessory, e.g. to a crime.
• adj. Of or relating to an accession.
• adj. (logistics) Assessorial.
• n. (logistics) An assessorial charge.

adscititious

• adj. derived or acquired from something extrinsic; not part of the real, inherent, or essential nature of a…

dispensable

• adj. Able to be done without; able to be expended; easily replaced.
• adj. Capable of being dispensed; distributable.
• adj. (of a law, rule, vow, etc.) Subject to dispensation; possible to relax, exempt from, or annul.
• adj. (biochemistry, nutrition, of an amino acid) Not essential to be taken in as part of an organism's diet,…

expendable

• adj. Able to be expended; not inexhaustible.
• adj. Designed for a single use; not reusable.
• adj. Not essential or mandatory in order to achieve a goal.
• adj. Regarded as not worth preserving or saving; able to be sacrificed.
• n. An expendable person or object; usually used in the plural.

extrinsic

• adj. external, separable from the thing itself, inessential.
• adj. not belonging to, outside of.

incidental

• adj. Loosely associated; existing as a byproduct, tangent, or accident; being a likely consequence.
• adj. Occurring by chance.
• adj. (physics, of radiation) Entering or approaching, prior to reflection (more frequently incident).
• n. Minor items, not further defined. Incidental expense.
• n. Something that is incidental.

inessential

• adj. Not essential.
• adj. Lacking essence or being.
• n. (often in plural) Something that is not essential.

nonessential

• adj. Not required; not essential.
• n. Something that is not essential.

secondary

• adj. Next in order to the first or primary; of second place in origin, rank, etc.
• adj. Originating from a deputy or delegated person or body.
• adj. (organic chemistry) Derived from a parent compound by replacement of two atoms of hydrogen by organic…
• adj. (geology) produced by alteration or deposition subsequent to the formation of the original rocks mass.
• adj. (geology) developed by pressure or other causes.
• adj. (anatomy) Pertaining to the second joint of the wing of a bird.
• adj. (medicine) Dependent or consequent upon another disease, or occurring in the second stage of a disease.
• adj. Of less than primary importance.
• adj. (education) related to secondary education, i.e. schooling between the ages of 11 and 18.
• adj. (manufacturing) relating to the manufacture of goods from raw materials.
• adj. (of a color) Formed by mixing primary colors.
• n. (ornithology) Any flight feather attached to the ulna (forearm) of a bird.
• n. (finance) An act of issuing more stock by an already publicly traded corporation.
• n. (American football, Canadian football) The defensive backs.
• n. (electronics) An inductive coil or loop that is magnetically powered by a primary in a transformer or…
• n. One who occupies a subordinate or auxiliary place; a delegate deputy.
• n. (astronomy) A secondary circle.
• n. (astronomy) A satellite.
• n. Used as an abbreviation to refer to items with names containing secondary.

unimportant

• adj. petty; not important or noteworthy.

unnecessary

• adj. Not needed or necessary.
• adj. Done in addition to requirements; unrequired.

unneeded

• adj. Not needed.