Ignorant/ˈɪɡnərənt/ Definition 1 of 3Pro Tip 1/3Context Matters Use 'ignorant of' when someone lacks knowledge about a specific subject or fact. She remained ignorant of her legal rights. Pro Tip 2/3Sensitive Usage 'Ignorant' can sound critical; use carefully to avoid offending someone. He didn't intend to be ignorant of local customs; he was just new. Pro Tip 3/3Collocations Usage Combine 'ignorant' with 'about' to discuss a broad lack of knowledge on a topic. They are ignorant about the effects of climate change.