stark
Definitions
Severe or bare in appearance or outline.
Complete or sheer; utter.
Unpleasantly or sharply clear; impossible to avoid.
Examples
The stark contrast between the two paintings made it difficult to believe they were created by the same artist.
The landscape was stark and desolate, with nothing but jagged rocks stretching toward the horizon.
There was a stark realization that the project would not be completed by the original deadline.