desolate

Concise Oxford English Dictionary © 2008 Oxford University Press:
desolate

▶adjective /ˈdɛs(ə)lət/ 

• 1 giving an impression of bleak and dismal emptiness.

• 2 utterly wretched and unhappy.

▶verb /ˈdɛsəleɪt/ make desolate.

– derivatives
desolately adverb,
desolateness noun,
desolation noun,
desolator noun.

– origin ME: from L. desolat-, desolare ‘abandon’, from de- ‘thoroughly’ + solus ‘alone’.