1. in the manner of a viceroy; with the authority or dignity of a viceroy
Usage: formal; historical

Examples

• The governor ruled viceregally over the colonial territory.
• He conducted himself viceregally during the state ceremony.
• The administrator governed viceregally in the king’s absence.
• She presided viceregally over the provincial assembly.
• The appointed official acted viceregally throughout his term.