1. Significant, consequential, critical, urgent, pressing. 2. Having high social rank, status, or influence; prominent.
1. A person or a thing in front of all others, for example, in a procession or race. 2. A person who guides directs, influences or inspires others by showing them the way. 3. A person who rules is in charge of, commands others. 4. A statistic or index that gives an advance indication of the state of the economy.