adjective
faithful
FAYTH-fl
adjective
1
Loyal and devoted to a person, cause, or duty.
"He remained a faithful friend even during her difficult divorce."
"The dog was faithful to its owner for fifteen years."
2
Not having sexual or romantic relationships outside of one's relationship or marriage.
"They promised to stay faithful to each other."
3
Accurate and true to the original; not distorted.
"The translation is a faithful rendering of the original poem."
noun
1
The devoted members or followers of a religion or cause (usually "the faithful").
"The faithful gathered at dawn for the service."
How to Use Faithful
Learner’s notesIn plain EnglishStaying loyal and true — to a person, a relationship, or an original version of something.
Common pairings
faithful to
stay faithful
faithful reproduction
the faithful
Word Forms
more faithful comparative, faithfuls plural, most faithful superlative
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He remained a _____ friend even during her difficult divorce.
Etymology
From Middle English feithful, built from faith plus the suffix -ful ("full of").