1. An occurrence or happening of little importance, consequence, or meaning
The broken coffee cup was just an insignificant event in the grand scheme of things.
A xícara de café quebrada foi apenas um evento insignificante no grande esquema das coisas.
2. A minor or trivial incident that does not warrant serious attention
What seemed like an insignificant event turned out to be the beginning of something larger.
O que parecia um evento insignificante acabou sendo o início de algo maior.