dispiriting

adj: Our lack of progress is very dispiriting. 我们毫无进展真使人气馁.

disparity, dispassionate, dispassionately, dispatch, dispatch (also despatch), dispatch-box, dispatch-rider, dispel, dispensable, dispensary, dispensation, dispense, dispenser, dispersal, disperse, dispersed, dispersion, dispirit, dispirited, dispiritedly, displace, displaced person, displacement, display, displease, displeased, displeasing, displeasingly, displeasure, disport, disposable, disposal, dispose, dispose of, disposed, disposition, dispossess, dispossession, disproof, disproportion,