disheartened

Từ điển Việt Anh Việt 4in1 - English Vietnamese 4 in 1 Dictionary

dis‧heart‧ened /dɪsˈhɑːtnd $ -ɑːrtnd/ BrE AmE adjective formal
[Word Family: adjective: heartened ≠ ↑disheartened, ↑heartening ≠ ↑disheartening, ↑heartless, ↑hearty; noun: ↑heart, ↑heartlessness, ↑heartiness; adverb: ↑heartily, ↑heartlessly, ↑hearteningly ≠ ↑dishearteningly; verb: ↑hearten ≠ ↑dishearten]
disappointed, so that you lose hope and the determination to continue doing something:
If young children don’t see quick results they grow disheartened.
—dishearten verb [transitive]