be in low spirits

be in low spirits

To be unhappy or sad, often due to being discouraged. Ellen's been in low spirits ever since she found out she didn't get the lead in the school play.
See also: low, spirit
Farlex Dictionary of Idioms.

be in high/low ˈspirits

(also in good/poor ˈspirits) be happy and cheerful/sad and miserable: John was in rather low spirits all evening. ▶ ˌhigh-ˈspirited, ˌlow-ˈspirited adj.: high-spirited children
See also: high, low, spirit
Farlex Partner Idioms Dictionary
See also:
  • be in high spirits
  • be in high/low spirits
  • a tough cookie
  • a tough customer/cookie
  • appear to
  • a change of heart
  • a mystery to (one)
  • be as brown as a berry
  • a turn of phrase
  • a hidden agenda