Examples of use of knight bachelor
1. As well as referring to an unmarried man, it could also refer to a man aspiring to be a knight bachelor, or a man (and now woman) who had taken their first degree.
2. He is styled Sir Cyril Taylor, GBE, which stands for Knight Grand Cross in the Most Excellent Order of the British Empire, the second gong being a cut above your plain Knight Bachelor.) He sounds like an opportunist, but nobody who knows him thinks he is.