dispiriting

adj

1. Lowering the morale of; making despondent or depressive; disheartening.

   “Luckily, though, the sumptuous, eerie look and mood of the movie make it possible to ignore this dispiriting and superfluous adherence to convention.”

   “Kane's late leveller will make a big difference to England's morale before two home games against Italy and Hungary, as a second successive loss would have been dispiriting for a side suffering a physical and mental toll after such a long season.”

verb

1. (form-of, gerund, participle, present)present participle and gerund of dispirit