faithlessly is a form of:

Faithless



adjective
1.
(Lacking religious faith, false to promises, disloyal, dishonest) ដែលគ្មានស្វាមីភក្ដិ, មិនអាចទុកចិត្តបាន, ដែលមិនត្រង់, ដែលមិនពិត, ដែលមិនទៀង, សាសនា, ដែលវៀចវេរ, ដែលក្បត់, ស្មោះ, ដែលកំរនឹងជឿ, ដែលមិនជឿ (សាសនា​ជាដើម) ដែលគ្មានជំនឿ
Example: A faithless friend, wife, ally act.
ENGLISH MEANING
adjective
1.
Not believing; not giving credit.
2.
Not believing on God or religion; specifically, not believing in the Christian religion.
3.
Not observant of promises or covenants.
4.
Not true to allegiance, duty, or vows; perfidious; trecherous; disloyal; not of true fidelity; inconstant, as a husband or a wife.
5.
Serving to disappoint or deceive; delusive; unsatisfying.
1.
apostate, disloyal, false, perfidious, recreant, traitorous, treacherous, treasonable
1.
constant, devoted, loyal, true