used to emphasize that a particular word or phrase is the most important one in a sentence :
I was in love with her—'was' being the operative word.
used to emphasize that a particular word or phrase is the most important one in a sentence :
I was in love with her—'was' being the operative word.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005