stark 
(stärk)
(stärk)adj. stark·er, stark·est
1. Clearly distinguished or delineated: a stark contrast.
2.
a. Bare, desolate, or unadorned: an apartment with stark white walls; the stark beauty of the desert landscape.
b. Severe or unmitigated; harsh or grim: "[They] found it hard to accept such a stark portrait of unrelieved failure" (W. Bruce Lincoln).
3. Complete or utter; extreme: stark disbelief.
adv.
Utterly; entirely: stark raving mad.
[Middle English, stiff, severe, strong, from Old English stearc; see ster-1 in the Appendix of Indo-European roots.]
starkly adv.
starkness n.