comedown
Concise Oxford English Dictionary © 2008 Oxford University Press:
comedown/ˈkʌmdaʊn/
▶noun informal
- 1 a loss of status or importance.
- 2 a feeling of disappointment or depression.
■ a lessening of the sensations generated by a narcotic drug as its effects wear off.
'comedown' also found in these Oxford entries:

