What is an antonym for the word convention?

An antonym for the Word convention is nonconformity. Nonconformity is the practice of not conforming to socially accepted standards conventions or laws. This could mean not following the usual beliefs customs or practices of society or rejecting the accepted conventions of dress behavior or thought. Examples of nonconformity include:

• Having a unique style of dress
• Speaking out and protesting against injustice
• Having different views or opinions
• Living in an unorthodox manner

Nonconformity can be a positive force for creating change and challenging the status quo or it can be a negative force that leads to a lack of progress and increased tensions in society.