Home Misspellings How to spell hadnt? Hadnt or had not? Which one is correct? by hersey August 17, 2018 Reading Time: 0min, 8sc + - 0 Hadnt or had not Which one is correct? You can find the answer below. Incorrect Hadnt Correct Had Not You can find more information about Had Not word here. Rate this post Correct spelling of Had'NtHow do you spell Had'Nt