Word family noun faith faithfulness ≠ unfaithfulness faithful faithlessness adjective faithful ≠ unfaithful faithless adverb faithfully ≠ unfaithfully
From Longman Dictionary of Contemporary Englishfaithfullyfaith‧ful‧ly /ˈfeɪθfəl-i/ adverb 1 FAITHFULin a loyal way He had served the family faithfully for 40 years. Ann faithfully promised never to tell my secret.2 in a regular way She wrote faithfully in her journal every day. Every year, we faithfully make a trip up there to see him.3 → Yours faithfully → Yours sincerely at sincerelyExamples from the Corpus
faithfully• So buy the best sealer you can find, and use it faithfully.• So why do they stick with one female faithfully?• I jogged a few laps with Seb, got really warm and faithfully carried out my stretching routine.• Then he turned his attention to the small tape-recorder, which had faithfully copied the brief transmission.• Do those basics faithfully every day and you will succeed.• Every year we faithfully make a trip to see my parents.• So from then on they learnt the discipline of budgeting and faithfully sent home the pound themselves.• A white T-shirt clung faithfully to the contoured steel of his pectoral muscles.From Longman Business Dictionaryfaithfullyfaith‧ful‧ly /ˈfeɪθfəl-i/ adverbOFFICE Yours faithfully especially British English the usual polite way of ending a formal letter which you have begun with ‘Dear Sir’ or ‘Dear Madam’ → compare sincerely 