This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

ad. In an ignorant manner.

ad. Accidentally.

ad. In a ignorant manner; without knowledge; inadvertently.

In an ignorant manner; without knowledge, instruction, or information: opposed to designedly.

ad. in ignorance; in an ignorant manner

"This handy-dandy test distinguishes between genuine defenders of freedom of speech and people who using the notion ignorantly or disingenuously."

inadvertently   

cultic    priestlike    unpowdered    imageless    teahouses    devoutest    whosesoever    austerer    reverently    grievously