adverb
faithfully
FAYTH-fuh-lee
adverb
1
In a loyal, devoted, or dependable manner.
"She faithfully attended every meeting for ten years."
"He faithfully recorded the results of every experiment."
2
A formal closing used at the end of a letter, typically when the recipient was addressed as "Dear Sir/Madam."
"The letter ended with "Yours faithfully, J. Harris.""
How to Use Faithfully
Learner’s notesIn plain EnglishDoing something loyally and consistently, or a polite sign-off at the end of a formal letter.
UK vs US
"Yours faithfully" is a British convention used when you don't know the recipient's name; "Yours sincerely" is used when you do. American English generally just uses "Sincerely" for both.
Common pairings
faithfully promise
yours faithfully
Word Forms
more faithfully comparative, most faithfully superlative
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She _____ attended every meeting for ten years.
Etymology
From Middle English feithfulli, formed from faithful plus -ly.