The word "haddest the impression" is spelled with the IPA phonetic transcription /ˈhædəst ði ɪmˈprɛʃən/ and is an archaic way of saying "you had the impression." The word "haddest" is the second person singular past tense of "have," which means to possess or own. The word "impression" refers to a feeling or opinion one has about something or someone. While no longer commonly used, it can be found in older literature and texts.