This is the 4792nd most frequent Polish word.
odmówić
"To refuse" or "to decline."
Used here to mean 'to decline or refuse an invitation'.
Musiałem odmówić zaproszeniu na przyjęcie.
I had to decline the invitation to the party.
Denotes 'to refuse involvement or consent' in this sentence.
Kiedy pytano go o udział w projekcie, odmówił.
When asked about participation in the project, he refused.
Means 'to say or recite a prayer', illustrating a religious or formal spoken activity.