To make a mistake, or to sin. Ignorance. "Err" is not used today in everyday conversation (other than making the sound "errrrr") but the word can be found in the bible.
"To err is human, but to forgive is divine…" Huggy Bear
"To err is human, but to forgive, well thats right on!" Bad guy in Starksy and Hutch
by Adam Zee February 24, 2005
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An interjection that essentially means "What are you talking about?".
Jane: "I really like what you did to your hair."

Me: "Err? I haven't done anything to it."
by PennieGirl June 22, 2005
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a term used in awkward situations, when in a confused state, or when trying to make a tough decision.
Nick: hey eric, who's hotter.. Jaquann's sister or his girl?
eric: *glances at jaquann* "err...."

your interviewer asks: "You Have Read The Job Description And A Summary Of The Job Role So What Areas Of This Job Appeal To You The Least?"
you: "err...."
by sticksanndstones February 22, 2011
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To be human. Not to be confused with error.
To err is human, to error is Windows.
by SpeedStriker243 April 14, 2021
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A word to describe someone or something that's level of stupidity or lameness is so overwhelming cannot be measured in a normal level. Or
Look at Angie, she is so... ERR!
by mangie April 21, 2005
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