Monsieur (noun)

A French title of respect or term of address for a man, equivalent to "sir" or "mister".

Origin:

French, from old french monsenior, from latin dominus senior "lord superior".

Examples:

1. The monsieur at the front desk was very helpful in answering my questions.
2. I asked to speak with the monsieur in charge of the project.
3. When the monsieur came to the door, I knew I had the right address.
4. The monsieur was a kind and gentle man, always willing to lend a helping hand.
5. I greeted the monsieur with a nod of my head, acknowledging his position of authority.