Picayune (adjective)

Of little value or worth; trivial.

Origin:

From the french "picaillon" meaning small coin, or the spanish "pequeño" meaning small.

Examples:

1. The collector dismissed the coin as being a picayune piece of metal.
2. He considered the argument over the picayune matter to be a waste of time.
3. The lawyer dismissed the picayune evidence as being irrelevant.
4. She regarded the picayune complaint as not worth her attention.
5. He thought the picayune sum of money was not worth the effort.