Word family noun intent intention adjective intended ≠ unintended intentional ≠ unintentional intent verb intend adverb intentionally ≠ unintentionally
From Longman Dictionary of Contemporary Englishunintentionalun‧in‧ten‧tion‧al /ˌʌnɪnˈtenʃənəl◂/ adjective DELIBERATELYnot done deliberately OPP deliberate I know she upset you, but I’m sure it was unintentional. —unintentionally adverbExamples from the Corpus
unintentional• Defense attorneys claimed the shooting was unintentional.• Gingrich said the violations were unintentional.• Some of these things are done to us deliberately while others are the unintentional actions of others or unavoidable events.• Gingrich said his violations were unintentional and that he regretted them.• The largely unintentional effect was that small local entrepreneurs had their confidence in the development prospects boosted by this creative strategy.• Would the Pickering decision always protect teachers who make unintentional false public statements?• The fact that discrimination is unintentional has no bearing on its legality or otherwise.• Her presence in the completed project adds an unintentional poignance now.