Dictionary definition of momentous

1. His speech had a momentous impact on public opinion.
2. The discovery of antibiotics was a momentous breakthrough.
3. Voting in your first election is a momentous civic duty.
4. Winning the championship was a momentous victory for the team.
5. The fall of the Berlin Wall was a momentous turning point.
6. The Supreme Court's decision was a momentous legal precedent.
7. The adoption of the constitution was a momentous step.
8. The discovery of fire was a momentous development for early humans.
9. The stock market crash had momentous economic repercussions.
10. The invention of the printing press was a momentous leap forward.
11. The civil rights movement brought about momentous social change.
12. The unveiling of a new technology can be momentous in business.
13. The wedding day is a momentous occasion in one's life.
14. Landing a dream job can be a momentous career achievement.
15. The signing of the peace treaty was a momentous occasion.
16. The birth of a child is a momentous event in a family's life.
17. The Supreme Court decision was a momentous victory for civil rights.
18. The invention of the internet was a momentous technological breakthrough.
19. The fall of the Berlin Wall was a momentous moment in history.
20. The passing of the Civil Rights Act was a momentous step forward for equality.
21. The discovery of penicillin was a momentous breakthrough in medicine.
22. The election of the first female president was a momentous occasion for gender equality.
23. The 9/11 terrorist attacks were a momentous tragedy for the world.
24. The abolition of slavery was a momentous victory for human rights.
25. The founding of the United Nations was a momentous achievement for international cooperation.