Meaning of “miserably” - Learner’s Dictionary

miserably

adverb uk us /ˈmɪzərəbli/
DISAPPOINTING

in a way that causes disappointment or suffering:

miserably low wages
Every job application that I've made has failed miserably (= has been extremely unsuccessful).
SAD

in a very unhappy way:

"I feel so ill," said Rachel miserably.

(Definition of “miserably” from the Cambridge Learner’s Dictionary © Cambridge University Press)