A conventional formula for ending a letter, used when the salutation addresses the person for whom the letter is intended using an honorific.(adverb)
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Use "faithfully" in a sentence
"Thus, in the example -- "He writes _well_," the adverb shows the manner in which the writing is performed; in the examples -- "He is remarkably diligent" and "He works very faithfully," the adverbs modify the adjective _diligent_ and the other adverb _faithfully_ by expressing the degree of diligence and faithfulness."
"However, if I made the mistake of creating it in a proprietary file format, the only way I can decode it faithfully is by using that proprietary vendor's application or try my best to reverse engineer that file format."
"TOOBIN: I think John Roberts will hear the word faithfully in his sleep, because that was the word that he messed up."