Adverb
without knowledge or intention
Source: WordNetMind you, the Elizabethans had so many words for the female genitals that it is quite hard to speak a sentence of modern English without inadvertently mentioning at least three of them. Terry Pratchett
I sincerely apologize to anyone I may have inadvertently offended...The bag was a purchase I made as a tourist in China. Cameron Diaz
We inadvertently bombed the Chinese Embassy. But Clinton now is working very hard. He has sent a letter of apology to the Chinese. And, he's also given them a gift certificate for future nuclear secrets. David Letterman
A gaffe in Washington is when a politician inadvertently reveals the truth, especially about himself. Charles Krauthammer
On a point of order, I thought I was in Seanad Éireann, but it appears I have inadvertently wandered into a meeting of Donegal County Council. David Norris
Love is not an accident. It is a delicate union of two complex, complementary puzzle pieces that have inadvertently been created by different manufacturers. Neil Strauss