be down
phr. v..phr. v.. to feel sad, unhappy, or discouraged about something.
phr. v.. to experience a state of low mood or mild depression; often used as a predicative adjective phrase in informal contexts.
He is down because he failed his driving test.
She has been down lately since her best friend moved to another city.
The entire department was down after the board of directors announced the cancellation of the annual bonus scheme.
usually followed by 'about' or 'on' to indicate the cause of the sadness.
distinguish this emotional sense from the technical sense ('the system is down') or the physical sense ('the sun is down'); this version is highly common in spoken counseling or empathy.
He is downing today.He is down today.in this sense, 'down' acts as an adjective following the verb 'to be', so it does not take an -ing ending.