S1I1R1
3 points
SIR is validvalid
a respectful form of address used to a man [n SIRS]
to use a respectful form of address to a man [v SIRRED, SIRRING, SIRS]
a respectful form of address used to a man [n SIRS]
to use a respectful form of address to a man [v SIRRED, SIRRING, SIRS]