Definition of RI in English:

RI

Line breaks: RI

abbreviation

1Indonesia (international vehicle registration).
[from Bahasa Indonesia Républik Indonésia]
1.1Rex et Imperator (King and Emperor) or Regina et Imperatrix (Queen and Empress).
[Latin]
1.2Rhode Island (in official postal use).
1.3Royal Institute or Institution.

Definition of RI in:

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Pronunciation: kiːk
verb
peep surreptitiously