Trivial
Part of speech: adjective
Definition: Of little significance or value. Common, ordinary. Concerned with or involving trivia. Relating to or designating the name of a species; specific as opposed to generic. Of, relating to, or being the simplest possible case. Self-evident. pertaining to the trivium
Example sentence: In war, events of importance are the result of trivial causes.
Piffling
Part of speech: adjective
Definition: unimportant
Part of speech: verb
Definition: To act or speak in a futile, ineffective, or nonsensical manner.