1. to claim or seize (power, authority, or rights) without justification; to assume wrongfully
Usage: transitive verb; formal register
2. to attribute or ascribe (something) to oneself, often without right
Usage: transitive verb; formal register

Examples

• The dictator arrogates all decision-making power to himself.
• She arrogates the right to speak for the entire group without consulting them.
• He arrogates credit for work that was done by his team.
• The government arrogates authority over matters that should be left to local communities.
• They arrogate to themselves privileges that others do not possess.
• The CEO arrogates the final say on all company policies.