ignorant adj.
VERBS appear, be, feel, seem | remain The general public remained totally ignorant of the danger. | keep sb We were kept ignorant of the facts.
ADV. completely, entirely, pig (informal), quite, totally, utterly, very, wholly Don't ask Paul. He's pig ignorant. | largely | rather | blissfully We went to bed that night blissfully ignorant of the storm to come. | grossly, lamentably, woefully
PREP. about He was completely ignorant about the country's political system. | of We are still woefully ignorant of the causes of this disease.
You can also check other dicts: ignorant (English, 中文解释 ), wordnet sense, Collins Definition