dead center

:  deprived of life :  no longer alive

:  having the appearance of death :  deathly

:  lacking power to move, feel, or respond :  numb

:  someone who is no longer alive :  one that is dead (see ¹dead 1)

:  the state of being dead

:  the time of greatest quiet

:  absolutely, utterly

:  suddenly and completely

:  directly

:  the point around which a circle or sphere is described

:  a point that is related to a geometrical figure in such a way that for any point on the figure there is another point on the figure such that a straight line joining the two points is bisected by the original point —called also center of symmetry

:  the center of the circle inscribed in a regular (see ¹regular 2b) polygon

:  to place or fix at or around a center or central area

:  to give a central focus or basis

:  to adjust (things, such as lenses) so that the axes coincide