1. comparative form of staid; more serious, steady, or sedate in character or manner

Examples

• As she grew older, she became staider in her approach to life.
• The younger brother was always more adventurous, while the older one was staider.
• After the incident, he adopted a staider lifestyle.
• Her staider demeanor impressed the conservative board members.
• The company’s staider policies reflected its mature corporate culture.
• He preferred staider entertainment to wild parties.