If you are dejected, you feel miserable or unhappy, especially because you have just been disappointed by something. Everyone has days when they feel dejected or down. = despondent + dejectedly de·ject·ed·ly Passengers queued dejectedly for the increasingly dirty toilets. unhappy, disappointed, or sad (dejectus, from jacere )
Dejection is a feeling of sadness that you get, for example, when you have just been disappointed by something. There was a slight air of dejection about her. = despondency