Frivolous or foolish:
Not significant, especially:
Not solid or firm; weak or flimsy
A game somewhat like billiards, played with nine balls on a table having nine holes in a circular arrangement at one end
The definition of slight is a small amount or someone that is fragile or has little weight or substance.
Lacking worth; of no use or value.
The definition of meticulous is showing extreme care and concern for details.
Not proceeding in logical sequence; characterized by lack of logic
Strongly affecting the course of events or the nature of things; significant:
Of great significance or moment; serious
Sufficiently valuable or important to be worth one's time, effort, or interest.
Of little significance or importance.
Designating or of a person or thing regarded as worth sacrificing under particular circumstances
The definition of incidental is an unintended consequence of something, or a related but unimportant part.
The definition of irrelevant is defined as something that doesn't apply, or is not related to the subject.
The definition of useful is helpful or beneficial.
Fairly large in amount or quantity:
Second in quality, rank, etc.; second-class
The definition of frivolous is something that has little value or importance or is silly or trivial.
The smallest possible amount, quantity, or degree.
Having a quality less than the best possible.
The definition of negligible is something so small or unimportant that it has no significance.
Being a substance that is required for normal functioning but does not need to be included in the diet because of the body's ability to synthesize it from other nutrients:
The definition of nugatory is worthless or useless.
The definition of paltry is a small or meager amount, or is something insignificant.
Only slightly connected with what is essential or important; merely incidental
The definition of petty is someone who gets caught up in small details.
Of little value or importance; paltry.
So trifling or trivial as to be beneath one's consideration.
Limited in importance or significance; trivial:
(Gram.) Having the function of a noun, adjective, or adverb within a sentence
Something added on a scale in order to meet a required weight.
(Informal) An event or occurrence that is boring, does not fulfill expectations, or is deliberately staged as for publicity
Not necessary; needless.
Small in size; not big, large, or great
Of great significance; momentous:
(Comparable) Determined by a small margin; having a salient characteristic determined by a small margin.
Not mattering one way or the other; unimportant; immaterial:
Find another word for unimportant. In this page you can discover 71 synonyms, antonyms, idiomatic expressions, and related words for unimportant, like: inconsequential, trifling, insignificant, insubstantial, bagatelle, slight, inconsiderable, worthless, meticulous, inconsequent and important.