1
: steadfast in affection or allegiance : loyal
a faithful friend
2
: firm in adherence to promises or in observance of duty : conscientious
a faithful employee
3
: given with strong assurance : binding
a faithful promise
4
: true to the facts, to a standard, or to an original
a faithful copy
5
obsolete
: full of faith
faithfulness
noun
1
plural in construction
a
: church members in full communion and good standing
—used with the
b
: the body of believers in Islam
—used with the
2
plural faithful or faithfuls
: one who is faithful
especially
: a loyal follower, member, or fan
party faithfuls
Cite this Entry
“Faithful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/faithful. Accessed 4 Sep. 2026.
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