It’s disheartening to see what little progress has been made.dishearteningdis‧heart‧en‧ing /dɪsˈhɑːtn-ɪŋ $ -ɑːr-/ adjective 
It’s disheartening to see what little progress has been made.—dishearteningly adverb
EXAMPLES FROM OTHER DICTIONARIES
- For many college graduates, job hunting can be a disheartening struggle.
- Their data-gathering can be a disheartening exercise.
COLLOCATIONS FROM THE ENTRY It’s disheartening to see what little progress has been made.
It’s disheartening to see what little progress has been made.WORD FAMILYadjectiveheartened ≠ disheartenedheartening ≠ dishearteningheartlessheartynounheartheartlessnessheartinessadverbheartilyheartlesslyhearteningly ≠ dishearteninglyverbhearten ≠ dishearten
making you lose hope and determinationit is disheartening to hear/see etc something It’s disheartening to see what little progress has been made.—dishearteningly adverb