unimportant

As adjectives the difference between unimportant and nominal

is that unimportant is petty; not important or noteworthy while nominal is of, resembling, relating to, or consisting of a name or names.

As a noun nominal is

(grammar) a noun or word group that functions as a noun phrase.

As adjectives the difference between unimportant and fundamental

is that unimportant is petty; not important or noteworthy while fundamental is pertaining to the foundation or basis; serving for the foundation hence: essential, as an element, principle, or law; important; original; elementary.

As a noun fundamental is

a leading or primary principle, rule, law, or article, which serves as the groundwork of a system; essential part, as, the fundamentals of linear algebra.

As adjectives the difference between hallowed and unimportant

is that hallowed is consecrated or sanctified; sacred, holy while unimportant is petty; not important or noteworthy.

As a verb hallowed

is (hallow).

As adjectives the difference between significant and unimportant

is that significant is signifying something; carrying meaning while unimportant is petty; not important or noteworthy.

As a noun significant

is that which has significance; a sign; a token; a symbol.

As adjectives the difference between nonimportant and unimportant

is that nonimportant is not important while unimportant is petty; not important or noteworthy.

Inconstant is a related term of unimportant.

As adjectives the difference between inconstant and unimportant

is that inconstant is not constant; wavering while unimportant is petty; not important or noteworthy.

Unsuccessful is a related term of unimportant.

As adjectives the difference between unsuccessful and unimportant

is that unsuccessful is failed, not successful while unimportant is petty; not important or noteworthy.

Ostentatious is a related term of unimportant.

As adjectives the difference between ostentatious and unimportant

is that ostentatious is of ostentation while unimportant is petty; not important or noteworthy.

Indolent is a related term of unimportant.

As adjectives the difference between indolent and unimportant

is that indolent is habitually]] lazy, [[procrastinate|procrastinating, or resistant to physical labor/labour while unimportant is petty; not important or noteworthy.

Unimportant is a related term of contemptible.

As adjectives the difference between unimportant and contemptible

is that unimportant is petty; not important or noteworthy while contemptible is deserving contempt.