adjective significant or important, especially in terms of historical or personal events
The election of the first female president would be a momentous event in political history.
The discovery of a cure for cancer would be a momentous breakthrough in the field of science.
The publication of Shakespeare's works was a momentous event in the world of literature.
The signing of the Declaration of Independence was a momentous occasion in American history.
The invention of the internet was a momentous advancement in technology.
In the world of literature, a momentous event in a novel can often be a turning point in the plot, leading to significant changes in the characters' lives.
Psychologists may use the term 'momentous' to describe a breakthrough in therapy or a significant realization made by a patient during a session.
Historians may refer to momentous events in history, such as wars, revolutions, or treaties, that have had a lasting impact on society.
A momentous decision in business, such as a merger or acquisition, can have far-reaching consequences for a company's future success.
Politicians may use the term 'momentous' to describe a landmark piece of legislation or a historic election result that reshapes the political landscape.