Real Dictionary

tag question in American English
a brief question with the general meaning “Is it not so?”, added to a declarative or imperative sentence: it is negative in construction when the original sentence is affirmative, and vice versa (Ex.: It isn't raining, is it? Hurry now, won't you?)
noun: a short interrogative structure appended to a statement or command, as isn't it in It's raining, isn't it?, are you in You're not going, are you?, or German nicht wahr

tag question in British English
noun: a clause added on to another clause to invite the hearer's agreement or conversational cooperation. Tags are usually in the form of a question with a pronoun as subject, the antecedent of which is the subject of the main clause; as isn't it in the bread i