This is the 8957th most frequent Spanish word.
ud
"Ud" is an abbreviation for "usted," a formal way of saying "you" in Spanish.
Ud. is the abbreviation for 'usted,' used here as a formal singular second-person pronoun.
Ud. es muy amable.
You are very kind.
Ud. is used here to address someone politely in a question.
¿Cómo está Ud. hoy?
How are you today?
Ud. is used to politely refer to the person being addressed.