Synonyms of the word

extraneous

• adj. Not belonging to, or dependent upon, a thing; without or beyond a thing; foreign.
• adj. Not essential or intrinsic.

adulterant

• n. That which adulterates; or reduces the purity of.

adulterating

• v. present participle of adulterate.

external

• adj. Outside of something; on the exterior.
• adj. Not intrinsic nor essential; accidental; accompanying; superficial.
• adj. Foreign; relating to or connected with foreign nations.
• adj. (anatomy) Away from the mesial plane of the body; lateral.
• adj. Provided by something or someone outside of the entity (object, group, company etc.) considered.

extrinsic

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

foreign

• adj. Located outside a country or place, especially one's own.
• adj. Originating from, characteristic of, belonging to, or being a citizen of a country or place other than…
• adj. Relating to a different nation.
• adj. Not characteristic of or naturally taken in by an organism or system.
• adj. (with to, formerly with from) Alien; strange.
• adj. (obsolete) Held at a distance; excluded; exiled.
• adj. (US, state law) From a different one of the states of the United States, as of a state of residence or…
• adj. Belonging to a different organization, company etc.
• adj. (obsolete) Outside, outdoors, outdoor.
• n. A foreign person, particularly.
• n. (obsolete) A foreign ship.
• n. (obsolete) Clipping of chamber foreign: an outhouse.
• n. A foreign area, particularly.
• n. Short for various phrases, including foreign language, foreign parts, and foreign service.

immaterial

• adj. Having no matter or substance.
• adj. (law, accounting) So insubstantial as to be irrelevant.

impertinent

• adj. insolent, ill-mannered.
• adj. irrelevant (opposite of pertinent).
• n. An impertinent individual.

irrelevant

• adj. Not related, not applicable, unimportant, not connected.

orthogonal

• adj. (geometry) Of two objects, at right angles; perpendicular to each other.
• adj. (mathematics).
• adj. (statistics) Statistically independent, with reference to variates.
• adj. (software engineering) Of two or more aspects of a problem, able to be treated separately.
• adj. Of two or more problems or subjects, independent of or irrelevant to each other.

outside

• n. The part of something that faces out; the outer surface.
• n. The external appearance of something.
• n. The space beyond some limit or boundary.
• n. The furthest limit, as to number, quantity, extent, etc.
• n. (dated, Britain, colloquial) A passenger riding on the outside of a coach or carriage.
• adj. Of or pertaining to the outer surface, limit or boundary.
• adj. Of, pertaining to or originating from beyond the outer surface, limit or boundary.
• adj. (baseball, of a pitch) Away (far) from the batter as it crosses home plate.
• adj. Reaching the extreme or farthest limit, as to extent, quantity, etc.
• adv. Outdoors.
• prep. On the outside of, not inside (something, such as a building).
• prep. Near, but not in.
• prep. (usually with “of”) Except, apart from.