politeness In Britain, you use the expressions Your Ladyship, Her Ladyship, or Their Ladyships when you are addressing or referring to female members of the nobility or the wives of knights. Her Ladyship's expecting you, sir. your/her ladyship a) used as a way of speaking to or talking about a woman with the title of Lady lordship b) use this to talk about a woman who thinks she is very important - used humorously