: the fourth letter of the English alphabet
: a musical note or key referred to by the letter D : the second tone of a C-major scale
: a grade that is given to a student for doing poor work
What made you want to look up d? Please tell us where you read or heard it (including the quote, if possible).
Take Our 10-Question Quiz
The commonly misspelled words quiz
How strong is your vocabulary?
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes