faithful

1 ENTRIES FOUND:
faithful /ˈfeɪθfəl/ adjective
faithful
/ˈfeɪθfəl/
adjective
Britannica Dictionary definition of FAITHFUL
[more faithful; most faithful]
1 
: having or showing true and constant support or loyalty
— often + to
2 
: deserving trust : keeping your promises or doing what you are supposed to do
— often + to
3 
: not having sex with someone who is not your wife, husband, girlfriend, or boyfriend
4 
: exact and accurate
— often + to

the faithful

1 
: the people who believe or participate in a religion
2 
: the people who are loyal members or supporters of a group or organization

— faithfully

/ˈfeɪθfəli/ adverb

— faithfulness

noun [noncount]