From Longman Dictionary of Contemporary Englishunacknowledgedun‧ac‧knowl‧edged /ˌʌnəkˈnɒlɪdʒd◂ $ -ˈnɑː-/ adjective 1 IGNORENOTICEignored or not noticed Unacknowledged anger can often cause problems in later life.2 KNOW somethingADMITnot receiving the public thanks, praise, or reward that something deserves Women’s work in the home tends to be both unpaid and unacknowledged.3 → the unacknowledged leader/authority etc
Examples from the Corpus
unacknowledged• unacknowledged anger• Whatever we most dislike or fear in others is sure to be an unacknowledged aspect of ourselves.• Fear, embarrassment, anxiety - all, if unacknowledged, get in the way of a real, live relationship.• Most patients can cope with unacknowledged grief and anxiety because they are in hospital for a short time.• Hours and hours of Blackwomen's work goes - unpaid and unacknowledged - into quite literally saving Blackwomen from failing their degrees.• Business agents, stewards, to me, are the unacknowledged legislators of the world.• A more contemporary comparison might be deconstruction, which tries to subvert the text by turning its own unacknowledged premises against it.• Part of this comes from a superstitious but unacknowledged sense that grief is contagious and unlucky. 