I am utterly convinced that he is telling the truth.
আমি পুরোপুরি নিশ্চিত যে সে সত্যি বলছে।
COLLOCATIONS
utterly destroyed, utterly impossible, utterly confused, utterly hopeless
WORD FORMSAdjective: utterUSAGE NOTES
Utterly is typically used to emphasize adjectives that have a strong or negative connotation, such as 'useless', 'ridiculous', 'devastated', or 'confused'.