luxury — a material object, service, etc., conducive to sumptuous living, usually a delicacy, elegance, or refinement of living rather than a necessity: Gold cufflinks were a luxury not allowed for in his budget.
fear — a river in SE North Carolina. 202 miles (325 km) long.
accessory — Accessories are items of equipment that are not usually essential, but which can be used with or added to something else in order to make it more efficient, useful, or decorative.
auxiliary — An auxiliary is a person who is employed to assist other people in their work. Auxiliaries are often medical workers or members of the armed forces.
nonessential — not essential; not necessary: Nonessential use of gasoline was forbidden during the war.
subsidiary — serving to assist or supplement; auxiliary; supplementary.
throwaway — made or intended to be discarded after use or quick examination: a throwaway container; a throwaway brochure.
trivia — (in Roman religion) Hecate: so called because she was the goddess of the crossroads.
adjective essential
unnecessary — not necessary or essential; needless; unessential.
inessential — not essential; not necessary; nonessential.
minor — lesser, as in size, extent, or importance, or being or noting the lesser of two: a minor share.
needless — unnecessary; not needed or wanted: a needless waste of food.
optional — left to one's choice; not required or mandatory: Formal dress is optional.
secondary — next after the first in order, place, time, etc.
subordinate — placed in or belonging to a lower order or rank.
trivial — of very little importance or value; insignificant: Don't bother me with trivial matters.
unimportant — of much or great significance or consequence: an important event in world history.
voluntary — done, made, brought about, undertaken, etc., of one's own accord or by free choice: a voluntary contribution.
inferior — lower in station, rank, degree, or grade (often followed by to): a rank inferior to colonel.
atypical — Someone or something that is atypical is not typical of its kind.
acquired — obtained, through buying or being given
incidental — happening or likely to happen in an unplanned or subordinate conjunction with something else.
insignificant — unimportant, trifling, or petty: Omit the insignificant details.
learned — having much knowledge; scholarly; erudite: learned professors.
flawed — characterized by flaws; having imperfections: a flawed gem; a seriously flawed piece of work.
imperfect — not perfect; lacking completeness: imperfect knowledge.
wrong — not in accordance with what is morally right or good: a wrong deed.
