in low spirits

:  moo

:  the deep sustained sound characteristic especially of a cow

:  having a small upward extension or elevation

:  situated or passing little above a reference line, point, or plane

:  having a low-cut neckline

:  something that is low: such as

:  depth

:  a region of low barometric pressure

:  flame, blaze

:  flame, blaze

:  an animating or vital principle held to give life to physical organisms

:  a supernatural being or essence: such as

:  holy spirit

:  to infuse with spirit

:  animate

:  to carry off usually secretly or mysteriously