1used to emphasize the accuracy of a figure or description:they met in 1989 and got married exactly two years later in exact terms; without vagueness:what exactly are you looking for?
2used as a reply to confirm or agree with what has just been said:‘You mean that you’re going to tell me the truth?’ ‘Exactly.’
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informal 1not at all:that too was not exactly convincing
2not quite but close to being:not exactly agitated, but disturbed