Webster's 1828 Dictionary
DISCOURAGED
pp. Discuraged. Disheartened; deprived of courage or confidence; depressed in spirits; dejected; checked.
New American Oxford Dictionary
discouraged
dis cour aged |disˈkərijd, -ˈkə -rijd | ▶adjective having lost confidence or enthusiasm; disheartened: he must be feeling pretty discouraged.
Oxford Dictionary
discouraged
dis |cour ¦aged |dɪˈskʌrɪdʒd | ▶adjective having lost confidence or enthusiasm; disheartened: he must be feeling pretty discouraged.
American Oxford Thesaurus
discouraged
discouraged adjective Doug must be feeling pretty discouraged: disheartened, dispirited, demoralized, deflated, disappointed, let down, disconsolate, despondent, dejected, cast down, downcast, depressed, crestfallen, dismayed, low-spirited, gloomy, glum, pessimistic, unenthusiastic; put off, daunted, intimidated, cowed, crushed; informal down in /at the mouth, down in the dumps, unenthused, bummed.
Oxford Thesaurus
discouraged
discouraged adjective Doug must be feeling pretty discouraged: disheartened, dispirited, demoralized, deflated, disappointed, let down, disconsolate, despondent, fed up, dejected, cast down, downcast, depressed, crestfallen, dismayed, low-spirited, gloomy, glum, pessimistic, unenthusiastic, having lost heart, lacking in enthusiasm, lacking in confidence, unconfident; put off, daunted, intimidated, cowed, crushed; informal down in the mouth, down in the dumps, unenthused, with cold feet; literary heartsick, heartsore; archaic chap-fallen. ANTONYMS encouraged, optimistic.
Sanseido Wisdom Dictionary
discouraged
dis c ó ur aged 形容詞 〖通例be ~〗〈人が 〉 «…に » 落胆した, がっかりした «by, about » ; やる気をなくした ▸ Annie was discouraged by the bad result .アニーはその悪い結果に落胆した .