the property of being an amount by which something is less than expected or required; "new blood vessels bud out from the already dilated vascular bed to make up the nutritional deficit"
an excess of liabilities over assets (usually over a certain period); "last year there was a serious budgetary deficit"
(sports) the score by which a team or individual is losing
a deficiency or failure in neurological or mental functioning; "the people concerned have a deficit in verbal memory"; "they have serious linguistic deficits"
the profession of teaching (especially at a school or college or university)
the activities of educating or instructing; activities that impart knowledge or skill; "he received no formal education"; "our instruction was carefully programmed"; "good classroom teaching is seldom rewarded"
the result of good upbringing (especially knowledge of correct social behavior); "a woman of breeding and refinement"
the gradual process of acquiring knowledge; "education is a preparation for life"; "a girl's education was less important than a boy's"
knowledge acquired by learning and instruction; "it was clear that he had a very broad education"
increased pressure in the eyeball due to obstruction of the outflow of aqueous humor; damages the optic disc and impairs vision (sometimes progressing to blindness)
without sharpness or clearness of edge or point; "the dullness of the pencil made his writing illegible"
lack of sensibility; "there was a dullness in his heart"; "without him the dullness of her life crept into her work no matter how she tried to compartmentalize it."
a lack of visual brightness; "the brightness of the orange sky was reflected in the dullness of the orange sea"
the quality of lacking interestingness; "the stories were of a dullness to bring a buffalo to its knees"