unimportant

not important or serious; not worth considering

insignificante, sin importancia

Collocations unimportant details · an unimportant matter

• It's an unimportant detail.

  Es un detalle sin importancia.

not relevant or necessary; not needed for a particular purpose

irrelevante, innecesario

Collocations unimportant information · an unimportant factor

• This is an unimportant piece of information.

  Esta es una pieza de información irrelevante.